Tell us what’s happening:
My issue is that my results are off by 1 and I don’t understand why?
**Your code so far**
function sumPrimes(num) {
let arr = [1];
for (let i = 2; i <= num; i++){
let div = 0;
for (let j = 0; j < arr.length; j++){
if (i % arr[j] == 0){
div++;
}
}
if (div == 1){
arr.push(i)
}
}
console.log(arr)
num = arr.reduce((a,b) => a+b);
console.log(num)
return num;
}
sumPrimes(10);
sumPrimes(977)
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Challenge: Intermediate Algorithm Scripting - Sum All Primes
Link to the challenge: