number-theory – calculatorpeak.com

Prime Factorization Calculator

Break any whole number into its prime factors, with the factor tree, the exponent form, and every divisor it produces.

Check whether a number is prime, see the divisor that rules it out, and find the nearest primes on either side.

Find the greatest common factor of two or more numbers, by prime factorisation and by the Euclidean algorithm, with both methods shown.

Find the lowest common multiple of two or more numbers, by prime factorisation and via the greatest common factor, with both routes…

Work out the factorial of any whole number, exactly for large values, with the trailing-zero count and digit length.

Find the remainder when one number is divided by another, check divisibility, or work with modular arithmetic including large powers.