Mathematician:Claude Gaspard Bachet de Méziriac

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Also known as Claude (Gaspar) Bachet.

First to discuss the solution of indeterminate equations by means of continued fractions.

First member to hold Seat 13 of the Académie Française.




  • Born: 9 October 1581 in Bourg-en-Bresse, Savoy (now France)
  • Died: 26 February 1638 in Bourg-en-Bresse

Theorems and Definitions

Believed to have provided a proof of what is now known as Bézout's Identity.


  • 1612: Problèmes plaisans et delectables qui se font par les nombres, a collection of arithmetical tricks and questions
  • 1621: A translation from Greek to Latin of the Arithmetica of Diophantus. It was in the margin of this edition that Fermat stated his famous "last" theorem
  • 1624: Problèmes plaisans (2nd edition)

Les éléments arithmétiques, which exists in manuscript form