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

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

(PHP 7) Sets the RNG seed mixed gmp_random_seed

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

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

(PHP 5, PHP 7 >= 5.6.3) Random number GMP

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

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

(PHP 5, PHP 7 >= 5.3.0) Tests if a bit is set

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