# Mathematician:François Édouard Anatole Lucas

## Mathematician

French mathematician best known for his study of the Fibonacci numbers. As a result of his researches, discovered what are now known as the Lucas numbers.

In $1876$, proved that the Mersenne number $M_{127}$ is prime, and discovered that $M_{67}$ is actually composite.

Discovered a method of determining the primality of a Mersenne number. This technique was refined in the $1930$s by Derrick Henry Lehmer and became known as the Lucas-Lehmer Test.

French

## History

• Born: April 4, 1842
• Died: October 3, 1891

## Theorems and Definitions

Results named for François Édouard Anatole Lucas can be found here.

Definitions of concepts named for François Édouard Anatole Lucas can be found here.

## Publications

• 1877: Recherches Sur Plusieurs Ouvrages De Léonard De Pise Et Sur Diverses Questions D’Arithmétique Supérieure

## Also known as

Usually known as Édouard Lucas.

Published his famous Tower of Hanoi puzzle under the name M. Claus.

Sometimes, for typographical convenience, his first name or initial appears without the accent: E. Lucas.