Numbers of the form n15+1 are composite for every integer n 1.
For positive integers n and m let s(n,m) be defined as the sum of the distinct prime factors of n15+1 not exceeding m.
Find ∑ s(n,108) for 1 n
1011.
These problems are part of Project Euler and are licensed under CC BY-NC-SA 2.0 UK