PHP: gmp_nextprime - Manual

downloads | documentation | faq | getting help | mailing lists | reporting bugs | php.net sites | links | conferences | my php.net

search for in the

gmp_or gmp_neg

Last updated: Sat, 27 Jan 2007

view this page in

# gmp_nextprime

(no version information, might be only in CVS)

gmp_nextprime -- Find next prime number

## Description

resource gmp_nextprime ( int a )

Return next prime number greater than `a`.

This function uses a probabilistic algorithm to identify primes and chances to get a composite number are extremely small.

Пример 1. gmp_nextprime() example

`<?php
$prime1 = gmp_nextprime(10); // next prime number greater than 10
$prime2 = gmp_nextprime(-1000); // next prime number greater than -1000
echo gmp_strval($prime1) . "\n";
echo gmp_strval($prime2) . "\n";
?>`

The printout of the above program is:

    11
    -997

add a note User Contributed Notes
gmp_nextprime
There are no user contributed notes for this page.
gmp_or gmp_neg

Last updated: Sat, 27 Jan 2007
show source | credits | stats | sitemap | contact | advertising | mirror sites
Copyright © 2001-2007 The PHP Group
All rights reserved.
This mirror generously provided by: Yahoo! Inc.
Last updated: Sat Mar 10 09:32:46 2007 PST