Non-coinciding Primes
Number Theory
Level
4
A prime \(p\) is said to be non-coinciding if there exists a positive integer \(k\) such that no two powers of \(p\) have their rightmost \(k\) digits the same, in the same order.
Determine the sum of all non-coinciding primes \(p\).
by
Shenal Kotuwewatta