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a,b,c such that a^2+1 and b^2+1 are primes

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December 9, 2005
number theory proposednumber theory

Problem Statement

Find all the natural numbers a,b,ca,b,c such that: 1) a2+1a^2+1 and b2+1b^2+1 are primes 2) (a2+1)(b2+1)=(c2+1)(a^2+1)(b^2+1)=(c^2+1)