Prime Factorization Calculator

All tools

Break any positive integer into its prime factors, then see all divisors, the divisor count, the sum of divisors and whether the number is prime. Free and instant.

Enter any whole number from 2 upward.

Prime factorization –
Is it prime? –
Number of divisors –
Sum of divisors –
All divisors –
Found by trial division. The factorization is shown with exponents, for example 2² × 3² × 5 for 180.
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