formula for prime numbers js code example
Example 1: javascript find a prime number
// This seems to be the most common and comprehensive means
// of implementing a 'is a number a prime function' in javascript
// if you would like t0 learn more complex , but efficient algorithms.
// Visit the link below
// https://stackoverflow.com/questions/11966520/how-to-find-prime-numbers-between-0-100
function isPrime(num) {
if(num < 2) return false;
for (let k = 2; k < num; k++){
if( num % k == 0){
return false;
}
}
return true;
}
Example 2: prime numbers javascript
function isPrime(num) {
for (let i = 2; i * i <= num; i++)
if (num % i === 0)
return false;
return num > 1;
}