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Omni-MATH / Determine all triples (p,q,r) of positive integers, where p,q are also primes, such that (r²−5q²)/(p²−1)=2. · Discussion

Discussing Determine all triples (p,q,r) of positive integers, where p,q are also primes, such that (r²−5q²)/(p²−1)=2. · Omni-MATH

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