PHP - gmp_nextprime() Function
Definition and Usage
The gmp_nextprime() function helps to find the next prime number.
Description
The gmp_nextprime() function returns the next prime number that is greater than the given GMP number.
Syntax
gmp_nextprime ( int $a ) : GMP
Parameters
| Sr.No | Parameter & Description |
|---|---|
| 1 |
a It can a GMP resource number , a gmp object or a numeric string. |
Return Values
PHP gmp_nextprime() function returns a GMP number.The number returned is a perfect prime number and greater than given GMP number.
PHP Version
This function will work from PHP Version greater than 5.2.0.
Example 1
Working of gmp_nextprime() −
<?php
$num = gmp_nextprime("2299897");
echo "The next prime number after 2299897 is :".$num;
?>
This will produce following result −
The next prime number after 2299897 is :2299901
Example 2
Working of gmp_nextprime() −
<?php
$num = gmp_nextprime("50");
echo "The next prime number after 50 is :".$num;
?>
This will produce following result −
The next prime number after 50 is :53
php_function_reference.htm
Advertisements