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gmp_prob_prime gmp_pow

Last updated: Sat, 27 Jan 2007

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# gmp_powm

(PHP 4 >= 4.0.4, PHP 5)

gmp_powm -- Raise number into power with modulo

## Description

resource gmp_powm ( resource base, resource exp, resource mod )

Calculate (`base` raised into power `exp`) modulo `mod`. If `exp` is negative, result is undefined.

Пример 1. gmp_powm() example

`<?php $pow1 = gmp_powm("2", "31", "2147483649"); echo gmp_strval($pow1) . "\n"; ?>`

The printout of the above program will be:

    2147483648

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gmp_prob_prime gmp_pow

Last updated: Sat, 27 Jan 2007
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