Monday 1 October 2007

Factorization of tenth Fermat number in 1995

From Richard Brent's page:
http://wwwmaths.anu.edu.au/~brent/pub/pub161.html
"We describe the complete factorization of the tenth Fermat number F10 by the elliptic curve method (ECM). The tenth Fermat number is a product of four prime factors with 8, 10, 40 and 252 decimal digits. The 40-digit factor was found after about 140 Mflop-years of computation"

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