The following Math Exchange question deals with a similar problem:
Not divisible by $2,3$ or $5$ but divisible by $7$
However, the answers given become infeasible quite quickly because the amount of permutations increases too rapidly as P grows.
2026-04-01 00:12:18.1775002338
Given a number $N$ and a prime $P$, how many numbers $\leq N$ are divisable by P but not by any smaller primes?
65 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in COMBINATORICS
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