Prime Factorization Calculator
Find every prime factor of any positive integer. Results shown in both list and exponential form.
100% client-side · no upload
Exponential form
Factor list
Number of divisors
How to use
- Type any positive integer (≥ 2) into the input field.
- Click Factorize to see the prime factorization instantly.
- The result is shown in exponential form (e.g. 360 = 2³ × 3² × 5) and as a flat list of factors.
Related math tools
- Prime Number Checker — test if a number is prime
- GCD & LCM Calculator — find common divisors and multiples
- Fraction Calculator — simplify fractions using GCD
Preguntas frecuentes
- Is this prime factorization tool free?
- Yes, completely free with no signup and no usage limits.
- Does my data leave my device?
- No. Factorization runs entirely in your browser. Nothing is sent to any server.
- Does it work on mobile?
- Yes. Works on iPhone Safari and Android Chrome without installing any app.