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1-16-1801

Birthdate of Thomas Clausen. In 1854 he factored the Fermat number F(6) = 2^(2^6) +1 (Euler factored F(5) in 1732), thus providing another counterexample to a conjecture of Fermat.

More information about:
Thomas Clausen
Fermat Numbers
Date: 
Friday, January 16, 1801