Hi all, I’m just announcing a small utility package called JuliaMath/IntegerMathUtils.jl.
It adds a few gmp wrappers that provide useful integer functionality that doesn’t exist in Base. Specifically, it currently exports iroot, ispower, find_exponent (not a wrapper, but in the same vein), and is_probably_prime.
If you have more similar utility functions that you don’t have a good place for, feel free to make a PR!