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Paul Leyland

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Paul Leyland
Personal data :
Real name : Paul Leyland
Nationality : British
Wikipedia entry : Paul_Leyland

Paul Leyland is a British number theorist who has studied factorization and primality testing.

He has contributed to the factorization of RSA-129, RSA-140 and RSA-155, as well as potential factorial primes as large as 400! + 1. He has also studied Cunningham numbers, Cullen numbers, Woodall numbers, etc., and numbers of the form [math]\displaystyle{ x^y + y^x }[/math], which are now called Leyland numbers.

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