Prime Number Checker
Check if a number is prime. Find prime factors, nearest primes, and the nth prime number.
Frequently Asked Questions
What is a prime number?
A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. Examples: 2, 3, 5, 7, 11, 13...
What is prime factorization?
Prime factorization is expressing a number as a product of prime numbers. For example, 12 = 2 × 2 × 3.
Is 1 a prime number?
No, 1 is not considered a prime number. The smallest prime number is 2, which is also the only even prime.
Is my data sent to a server?
No, all calculations are done entirely in your browser.
