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

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Square root with remainder

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Check if number is "probably prime"

(PHP 7) Sets the RNG seed mixed gmp_random_seed

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Create GMP number

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Calculate GCD and multipliers

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Scan for 1

(PHP 4 >= 4.0.4, PHP 5, PHP 7) Perfect square check

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

(PHP 5, PHP 7 >= 5.6.1) Import from a binary string