Prime Number Checker

Test primality and get the full prime factorization.

360
Composite
Prime factorization
2^3 × 3^2 × 5
Number of divisors
24
Distinct prime factors
3
Show the working
  1. 1360 = 2^3 × 3^2 × 5
Formula
trial division to √n

How it works

Tests whether a number is prime and gives its prime factorization and divisor count.

Example

360 is composite: 2³ × 3² × 5, with 24 divisors.

About the Prime Number Checker

Test primality and get the full prime factorization. It sits in the Math & Algebra section of NWS Calc, a free collection of calculators that run entirely in your browser. There is no signup, no paywall and no tracking — open the page, enter your numbers, get an answer.

Frequently asked questions

Is the Prime Number Checker free to use?
Yes. Every calculator on NWS Calc is completely free, with no signup, no usage limits and no ads.
Does my data leave my device?
No. The Prime Number Checker runs entirely in your browser using JavaScript. Nothing you type is uploaded, logged or stored on a server.
Can I use the Prime Number Checker on my phone?
Yes. The page is fully responsive and works in any modern mobile or desktop browser — there is nothing to install.
What else is in Math & Algebra?
Equations, fractions, primes, roots, sequences and number theory. You can browse the full Math & Algebra category for related calculators.

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