func main() {
sum := 0
limit := 2000000
getNextPrime := misc.GetPrimesIterator()
for prime := getNextPrime(); prime < limit; prime = getNextPrime() {
sum += prime
}
fmt.Printf("Sum of primes below %v is %v\n", limit, sum)
}
func findLargestPrimeFactor(n int) int {
nextPrime := misc.GetPrimesIterator(n)
for prime := nextPrime(); prime > 0; prime = nextPrime() {
if misc.IsMultiple(n, prime) {
fmt.Println("Prime factor: ", prime)
quotient := n / prime
if !misc.IsPrime(quotient) {
return findLargestPrimeFactor(quotient)
} else {
return quotient
}
}
}
return -1
}