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Omni-MATH / Find all positive integers, such that there exist positive integers a,b,c, satisfying gcd(a,b,c)=1 and n=gcd(ab+c,ac−b)=a+b+c. · Discussion

Discussing Find all positive integers, such that there exist positive integers a,b,c, satisfying gcd(a,b,c)=1 and n=gcd(ab+c,ac−b)=a+b+c. · Omni-MATH

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