Pierre de Fermat

French mathematician and lawyer
Person human Q75655
Pierre de Fermat
Rolland Lefebvre · Public Domain · Wikimedia
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Pierre de Fermat

Summary

Pierre de Fermat is a human[1]. His place of birth was Beaumont-de-Lomagne[2]. He was born on August 17, 1601[3]. He passed away in Castres[4]. He died on January 12, 1665[5]. He worked as a mathematician[6], lawyer[7], judge[8], polyglot[9], and jurist[10]. He ranks in the top 0.69% of human entities by monthly Wikipedia readership (10,555 views/month, #6,859 of 1,000,298).[11]

Key Facts

  • Pierre de Fermat was born in Beaumont-de-Lomagne[2].
  • Pierre de Fermat passed away in Castres[4].
  • Pierre de Fermat was born on August 17, 1601[3].
  • Pierre de Fermat was born on 1607[12].
  • Pierre de Fermat died on January 12, 1665[5].
  • Burial took place at cremation[13].
  • Burial took place at Castres[14].
  • Pierre de Fermat was married to Louise de Long[15].
  • A child of Pierre de Fermat was Samuel de Fermat[16].
  • Pierre de Fermat held citizenship in France[17].
  • Pierre de Fermat is identified as part of the French ethnic group[18].
  • Pierre de Fermat worked as a mathematician[6].
  • Pierre de Fermat's professions included lawyer[7].
  • Pierre de Fermat worked as a judge[8].
  • Pierre de Fermat worked as a polyglot[9].
  • Pierre de Fermat's professions included jurist[10].
  • Pierre de Fermat's field of work was number theory[19].
  • Pierre de Fermat's field of work was statute[20].
  • Pierre de Fermat's field of work was mathematics[21].
  • Pierre de Fermat's field of work was probability theory[22].
  • Pierre de Fermat's field of work was mathematical analysis[23].
  • Pierre de Fermat's field of work was analytic geometry[24].
  • Among Pierre de Fermat's employers was Parliament of Toulouse[25].
  • Pierre de Fermat's education included a stint at Old University of Orléans[26].
  • A notable work attributed to Pierre de Fermat is Fermat's principle[27].

Body

Origins and Family

Pierre de Fermat was born in Beaumont-de-Lomagne[2]. Recorded date of birth include August 17, 1601[3] and 1607[12]. He is identified as part of the French ethnic group[18].

Education

Pierre de Fermat's education included a stint at Old University of Orléans[26]. He earned the academic degree of Bachelor of Laws[28].

Career and Affiliations

Recorded occupations include mathematician[6], lawyer[7], judge[8], polyglot[9], and jurist[10]. Fields of work include number theory[19], a branch of mathematics[29]; statute[20], a legal term or legal concept[30]; mathematics[21], an academic discipline[31]; probability theory[22], a branch of mathematics[32]; mathematical analysis[23], an academic discipline[33]; and analytic geometry[24], a branch of mathematics[34]. Pierre de Fermat was employed by Parliament of Toulouse[25].

Works and Contributions

Notable works include Fermat's principle[27], a scientific law[35], founded in 1662[36]; Fermat's Last Theorem[37]; Fermat's little theorem[38]; Fermat point[39]; and Fermat number[40]. Things named for Pierre de Fermat include Fermat's Last Theorem[41], a theorem[42], founded in 1637[43]; Fermat's little theorem[44], a theorem[45], founded in 1640[46]; Fermat's principle[47], a scientific law[48], founded in 1662[49]; Fermat number[50], a Lucas sequence[51]; Euler's theorem[52], a theorem[53]; Fermat's theorem on sums of two squares[54]; Fermat's spiral[55]; and Fermat point[56].

Personal Life

Pierre de Fermat was married to Louise de Long[15]. A child of him was Samuel de Fermat[16].

Death and Burial

Pierre de Fermat died on January 12, 1665[5]. He passed away in Castres[4]. Recorded place of burial include cremation[13] and Castres[14].

Why It Matters

Pierre de Fermat ranks in the top 0.69% of human entities by monthly Wikipedia readership (10,555 views/month, #6,859 of 1,000,298).[11] He has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[57] He is known by 68 alternative names across languages and contexts.[58]

He has been cited as an influence by Leonhard Euler[59], a mathematician[60], 1707–1783[61], of Old Swiss Confederacy[62], specialised in mathematical analysis[63] and Gilles de Roberval[64], a mathematician[65], 1602–1675[66], of France[67], specialised in mathematics[68].

He is credited with the discovery of mathematical induction[69], a proof technique[70]. Entities named for him include Fermat's Last Theorem[41], a theorem[42], founded in 1637[43]; Fermat's little theorem[44], a theorem[45], founded in 1640[46]; Fermat's principle[47], a scientific law[48], founded in 1662[49]; Fermat number[50], a Lucas sequence[51]; Euler's theorem[52], a theorem[53]; and Fermat's theorem on sums of two squares[54].

FAQs

Where was Pierre de Fermat born?

Pierre de Fermat's place of birth was Beaumont-de-Lomagne[2].

Where did Pierre de Fermat die?

Pierre de Fermat passed away in Castres[4].

Who was Pierre de Fermat married to?

Pierre de Fermat's spouses include Louise de Long[15].

What did Pierre de Fermat do for work?

Pierre de Fermat worked as mathematician[6], lawyer[7], judge[8], polyglot[9], and jurist[10].

Where did Pierre de Fermat go to school?

Pierre de Fermat was educated at Old University of Orléans[26].

Who did Pierre de Fermat influence?

Pierre de Fermat has been cited as an influence by Leonhard Euler[59] and Gilles de Roberval[64].

What did Pierre de Fermat discover?

Pierre de Fermat is credited as discoverer of mathematical induction[69].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [4] . wikidata.org.
  3. [15] . wikidata.org.
  4. [17] . wikidata.org.
  5. [16] . wikidata.org.
  6. [26] . wikidata.org.
  7. [19] . wikidata.org.
  8. [20] . wikidata.org.
  9. [21] . wikidata.org.
  10. [22] . wikidata.org.
  11. [23] . wikidata.org.
  12. [24] . wikidata.org.
  13. [6] . wikidata.org.
  14. [7] . wikidata.org.
  15. [8] . wikidata.org.
  16. [9] . wikidata.org.
  17. [10] . wikidata.org.
  18. [25] . wikidata.org.
  19. [13] . wikidata.org.
  20. [14] . wikidata.org.
  21. [18] . wikidata.org.
  22. [28] . wikidata.org.
  23. [3] . wikidata.org.
  24. [12] . wikidata.org.
  25. [5] . wikidata.org.
  26. [27] . wikidata.org.
  27. [37] . wikidata.org.
  28. [38] . wikidata.org.
  29. [39] . wikidata.org.
  30. [40] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [59] . wikidata.org. → on this site
  2. [64] . wikidata.org. → on this site
  3. [69] . wikidata.org. → on this site
  4. [41] . wikidata.org. → on this site
  5. [44] . wikidata.org. → on this site
  6. [47] . wikidata.org. → on this site
  7. [50] . wikidata.org. → on this site
  8. [52] . wikidata.org. → on this site
  9. [54] . wikidata.org. → on this site
  10. [55] . wikidata.org. → on this site
  11. [56] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [29] . Wikidata. wikidata.org. → on this site
  2. [30] . Wikidata. wikidata.org. → on this site
  3. [31] . Wikidata. wikidata.org. → on this site
  4. [32] . Wikidata. wikidata.org. → on this site
  5. [33] . Wikidata. wikidata.org. → on this site
  6. [34] . Wikidata. wikidata.org. → on this site
  7. [35] . Wikidata. wikidata.org. → on this site
  8. [36] . Wikidata. wikidata.org. → on this site
  9. [60] . Wikidata. wikidata.org. → on this site
  10. [61] . Wikidata. wikidata.org. → on this site
  11. [62] . Wikidata. wikidata.org. → on this site
  12. [63] . Wikidata. wikidata.org. → on this site
  13. [65] . Wikidata. wikidata.org. → on this site
  14. [66] . Wikidata. wikidata.org. → on this site
  15. [67] . Wikidata. wikidata.org. → on this site
  16. [68] . Wikidata. wikidata.org. → on this site
  17. [70] . Wikidata. wikidata.org. → on this site
  18. [42] . Wikidata. wikidata.org. → on this site
  19. [43] . Wikidata. wikidata.org. → on this site
  20. [45] . Wikidata. wikidata.org. → on this site
  21. [46] . Wikidata. wikidata.org. → on this site
  22. [48] . Wikidata. wikidata.org. → on this site
  23. [49] . Wikidata. wikidata.org. → on this site
  24. [51] . Wikidata. wikidata.org. → on this site
  25. [53] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [11] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [57] . Wikidata sitelinks. wikidata.org.
  3. [58] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Pierre de Fermat. Retrieved April 18, 2026, from https://4ort.xyz/entity/pierre-de-fermat
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 2d ago · ~2026-50288-23 · 2026-09-17 view diff on Wikidata ↗
    Number of children {'amount': '+5'}, {'amount': '+8'}
    "/* wbsetclaim-update:2||1 */ [[Property:P569]]: 17 August 1601"
  2. 4d ago · Infovarius · 2026-09-15 view diff on Wikidata ↗
    Date of birth +1601-08-17T00:00:00Z, +1607-00-00T00:00:00Z
    Number of children {'amount': '+5'}, {'amount': '+8'}
    "/* wbremoveclaims-remove:1| */ [[Property:P1971]]: 8"
  3. 4d ago · ~2026-49908-72 · 2026-09-15 view diff on Wikidata ↗
    Number of children {'amount': '+5'}, {'amount': '+8'}
    "/* wbsetclaim-update:2||1 */ [[Property:P1971]]: 8"
  4. 10d ago · Xezbeth · 2026-09-10 view diff on Wikidata ↗
    Personality database profile id 35963
    "/* wbsetclaim-create:1||1 */ [[Property:P10757]]: 35963, Matched to [[:toollabs:mix-n-match/#/entry/251187429|Pierre de Fermat (#251187429)]] in [[:toollabs:mix-n-match/#/catalog/7421|Personality Data"
  5. 4w ago · Mahirtwofivesix · 2026-08-19 view diff on Wikidata ↗
    Babelnet id 00034101n
    Arabic ontology lexical concept id 151059616
    "/* wbeditentity-statements-multiple-properties-update:0||4 */ added/modified IDs mapped to WordNet 3.1"
  6. 4w ago · ~2026-44762-26 · 2026-08-16 view diff on Wikidata ↗
    Date of birth +1601-08-17T00:00:00Z, +1607-00-00T00:00:00Z
    "/* wbsetclaim-update:2||1 */ [[Property:P569]]: 1601"
  7. 8w ago · Pierrotrgr · 2026-07-22 view diff on Wikidata ↗
    Biblissima authority id Sunflower Galaxy
    "/* wbsetclaim-create:2||1 */ [[Property:P11493]]: Q13981, Import ID Biblissima V2 ([[:toollabs:editgroups/b/OR/74d891b831c|details]])"
  8. 11w ago · Printstream · 2026-07-04 view diff on Wikidata ↗
    P14608 118532561
    Academic major civil law
    "/* wbcreateclaim-create:1| */ [[Property:P14608]]: 118532561, #quickstatements; #temporary_batch_1783130387391"
  9. 12w ago · Printstream · 2026-06-26 view diff on Wikidata ↗
    P14536 404229
    "/* wbcreateclaim-create:1| */ [[Property:P14536]]: 404229, #quickstatements; #temporary_batch_1782462304762"
  10. 18w ago · Epìdosis · 2026-05-15 view diff on Wikidata ↗
    Cerl thesaurus id cnp01317184
    "/* wbremoveclaims-remove:1| */ [[Property:P1871]]: cnp00394724, [[:toollabs:quickstatements/#/batch/257929|batch #257929]]"
  11. 18w ago · Epìdosis · 2026-05-13 view diff on Wikidata ↗
    Local thumb
    Cerl thesaurus id cnp01317184
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30851|batch #30851]]: match CERL IDs on the basis of GND (7)"
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