MATHEMATICS
Prime Factorization Calculator
Break a number into prime factors, list its divisors and test whether it is prime.
Free to use No sign-up Runs in your browser
FACTORS
Enter a positive whole number.
Includes the complete divisor list. Calculated locally in your browser.
Prime factorization
Prime factorization expresses a positive integer as a product of prime numbers. For example, 360 = 2³ × 3² × 5. The calculator lists every positive divisor and identifies prime numbers.
Input range
Enter an integer from 1 through 1,000,000,000. The value 1 has no prime factors and has one positive divisor: itself.