Prime Checker & Factorizer

Primality test and prime factors

Number (2 to 1,000,000,000,000)

360 is composite

Prime factorization

360 = 2^3 × 3^2 × 5

Prime factors

Total divisors

367

Next prime

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About the Prime Checker & Factorizer

Check whether a number is prime and decompose composites into prime factors with exponent notation (360 = 2³ × 3² × 5). Also reports the total divisor count and the next prime — works up to a trillion, instantly, for number-theory homework and curiosity.

How to use

1Enter a whole number.
2Read the prime/composite verdict.
3Copy the factorization and check divisor count.

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Prime Checker & Factorizer is part of DevKit — 100 free, privacy-first tools for developers, students, and everyone, built by Minhazul Ashim. Everything runs in your browser; your data never leaves your machine.