Prime Factorization Calculator
Prime factorization calculator: break a whole number into prime factors, check if it is prime and count its divisors.
n = p1a · p2b · …
How to use this calculator
- Type your input in the box.
- The result updates as you type.
- Use “Copy result” or “Copy link” to share it.
Every whole number above 1 is a unique product of primes, e.g. 360 = 2³ × 3² × 5.
The number of divisors is the product of (exponent + 1): 4 × 3 × 2 = 24 for 360.
Frequently asked questions
Is 97 prime?
Yes, its only factor is 97 itself.