gmp_prob_prime

gmp_prob_prime

(PHP 4 >= 4.0.4, PHP 5, PHP 7)

gmp_prob_primeCheck if number is "probably prime"

Description

int gmp_prob_prime ( GMP $a [, int $reps = 10 ] )

The function uses Miller-Rabin's probabilistic test to check if a number is a prime.

Parameters

a

The number being checked as a prime.

Either a GMP number resource