Pial

Check if a number is a prime number. Extremely fast; complexity: O(sqrt(n/2)).

Install

npm install pial

Usage

const pial = require("pial");

pial(3);
//=> true

pial(8);
//=> false

Tips

Use mem to cache the return values.

const mem = require("mem");
const pial = mem(require("pial"));

pial(10);
//=> false

pial(10); // Cached value
//=> false

API

pial(number)

number

Type: number

The number to check.