23 October, 2018

Program of Check Prime Number in Php

Programing Coderfunda October 23, 2018 php, prime_number No comments

How to Check Prime Number in Php

How to Check Prime Number in Php. Prime Number is the natural number which is divided by 1 and itself. So Today i am going to share a program with you in which you can check either a number is a prime number or not. For example 7 is the prime number which only divided by 1 and itself.

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<?php
 function checkPrimeNumber($n){
 
  for($i=2; $i<$n; $i++){
   if($n%$i==0){
    return false;
   }else{
    return true;
   }
  }
 }
 
 $a=checkPrimeNumber(11);
 
 if($a) {
  echo "Prime Number";
 }else{
  echo "Not a Prime Number";
 }
?>