prime numbers array javascript code example
Example 1: hwo to make ana array of prime numbers in javascript
function sort_prime(num) {
var prime_num1 = [],
prime_num2 = [];
for (var i = 0; i <= num; i++) {
prime_num2.push(true);
}
for (var i = 2; i <= num; i++) {
if (prime_num2[i]) {
prime_num1.push(i);
for (var j = 1; i * j <= num; j++) {
prime_num2[i * j] = false;
}
}
}
return prime_num1;
}
console.log(sort_prime(5))
Example 2: array prime numbers
[2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53]