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Module · Math · Scientific
Factor Calculator
Prime factorisation and complete list of factors of any positive integer. Handles values up to a few billion with fast trial division.
Very large primes may take a moment (trial division to √n).
Prime factorisation
2^3 × 3^2 × 5
All factors (24)
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360
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Guide
How Factor Calculator works
Step 01
Enter an integer
Positive, up to a few billion for instant response.
Step 02
See prime factors
Expressed compactly with exponents (e.g. 360 = 2³ × 3² × 5).
Step 03
See all factors
The complete sorted list of divisors.
FAQ
Frequently asked
What are the prime factors of 360?+
360 = 2³ × 3² × 5. And it has 24 total factors.
Why does very large take longer?+
Trial division up to √n. Fast for numbers below ~10¹², slow for larger primes.