Mathematician:Allan Joseph Champneys Cunningham

Mathematician
English military man who studied number theory after leaving the army.

Used his expertise to find factors in numbers such as Mersenne numbers and Fermat numbers.

Nationality
English

History

 * Born: 1842 in Delhi, India
 * 1891: Left the British Army
 * Died: 1928 in London

Definitions

 * Cunningham Number (also known as a Cullen number)
 * Cunningham Prime (also known as a Cullen prime)