MathDB

1

Part of 2016 Greece Junior Math Olympiad

Problems(1)

Easy Number Theory

Source: Greece Archimedes Junior 2016

3/16/2020
If nn is positive integer and p,q,rp, q, r are primes solve the system: pqr=npqr=n and (p+1)(q+1)r=n+138(p+1)(q+1)r=n+138
number theory