Primality Packages

check if a number is prime

Carmichael numbers

Test if a number is prime

A Javascript Implementation of the Lucas-Lehmer Primality Test for Mersenne Primes

Lucas-Lehmer primality test

Fermat's probabilistic primality test

Find a prime

Primality test using fast checks and miller-rabin (all in one)

Check if the given number is a mersenne prime or not.

Functional library for precise access to integer sequences such as prime numbers, square numbers, triangle numbers, etc

Returns boolean of if provided number is prime.

Simple prime number and prime factorization package

A tiny (128B) utility to check if a value is a prime number

Primality test (naive approach)

a simple isPrime, next and prev Prime number implementation in Js.

Test if a number is composite.

Test if a number is prime.

Test if two numbers are coprime.

Test if a value is a prime number.

Test if a value is a composite number.