is-prime-number

Node.js JavaScript module to determine whether the passed value is a prime number.

npm install is-prime-number

Syntax

isPrime(value);

Parameters

• value The value to be tested for being a prime number.

Return value

A boolean indicating whether or not the given value is a prime number.

Examples

const isPrime = require('is-prime-number');
 
console.log( isPrime(2) ); // true
console.log( isPrime(7) ); // true
 
console.log( isPrime(20) ); // false
console.log( isPrime({}) ); // false