Prime Number Checker & Finder

Tag: Prime Number Checker & Finder

2+ tools

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Mersenne Prime Checker - Online 2^p‑1 Validation

Check if a number of the form 2^p‑1 is a Mersenne prime. Quick Lucas‑Lehmer test simulation for small p.

Calculator checker math Mersenne prime

New

Next Prime Number Finder - Online Integer Sequence

Enter any integer and quickly find the next prime number after it. Perfect for hashing and puzzles.

Calculator finder math next prime