PHP Program to Check Prime Number

In this tutorial, you will learn what is a prime number and how to check whether the given number is a prime number or not using PHP.

php program check prime number

What is Prime Number?

A prime number is a natural number which is exactly two positive divisors, 1 and itself. For example, take number 13, its a prime number because it has only two positive divisors.

How to Check Prime Number with PHP?

Below is the simple PHP program to find a given number is prime or not using for loop and if..else control structure.


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I am Arjun from Hyderabad (India). I have been working as a software engineer from last 7+ years, and its my passion to learn new things and implement them as a practice. Aside from work, I likes gardening and spending time with pets. Protection Status