Tell us what’s happening:
Describe your issue in detail here.
Can someone explain the purpose of isPrime function and the Math.sqrt() method?
**Your code so far**
function sumPrimes(num) {
// Helper function to check primality
function isPrime(num) {
for (let i = 2; i <= Math.sqrt(num); i++) {
if (num % i == 0)
return false;
}
return true;
}
// Check all numbers for primality
let sum = 0;
for (let i = 2; i <= num; i++) {
if (isPrime(i))
sum += i;
}
return sum;
}
console.log(sumPrimes(10));
**Your browser information:**
User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36
Challenge: Sum All Primes
Link to the challenge: