Prime Checker
Check primality, factorize numbers, list primes, and compute GCD/LCM.
Prime & Number Theory
Check primality, factorize, list primes, or compute GCD/LCM
Result
Updates live
Primes in range
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97
About the Prime Checker
Test whether a number is prime, break it down into its prime factors, list all primes within a range, and compute the greatest common divisor and least common multiple of two numbers.
Examples
Factorize 60
60Output
2 × 2 × 3 × 5Keyboard shortcuts
- Copy the main outputCtrl / ⌘ + Shift + C
- Download the resultCtrl / ⌘ + S
- Share this toolCtrl / ⌘ + Shift + S
- Reset the inputsAlt + R
- Open the tool search paletteCtrl / ⌘ + K
Related tools
Fraction Calculator
Math & Numbers
Add, subtract, multiply, divide, and simplify fractions.
Logarithm & Exponent Calculator
Math & Numbers
Compute logarithms of any base and exponentiation results.
Number Sequence Generator
Math & Numbers
Generate arithmetic, geometric, or Fibonacci-like number sequences.
Quadratic Equation Solver
Math & Numbers
Solve ax² + bx + c = 0 with real or complex roots.
Scientific Notation Converter
Math & Numbers
Convert between decimal, scientific, and engineering notation.
BMI Calculator
Math & Numbers
Calculate your Body Mass Index and healthy weight range.
Frequently asked questions
Version 1.0.0 · Updated 2026-08-06 · Runs entirely in your browser