PRIME & FACTORIZATION
Prime & Factorization, primes, factors & divisors.
Prime & Factorization: check if a number is prime, factorize it, and compute GCD / LCM of two numbers. Free online, runs locally in your browser, nothing uploaded.
Prime check
97 is a prime
Prime factorization
97 = 97
Greatest common divisor
Least common multiple
How to use?
Switch to "Single", enter a positive integer to see if it is prime and its prime factors; switch to "Two numbers", enter A and B to get their GCD and LCM. Everything runs locally.
FAQ
Is it safe? Are my data uploaded?
Everything runs locally in your browser. Nothing is uploaded.
Which devices are supported?
Any modern browser (phone, tablet, desktop). No install needed.