daily log 12.14.20

3

The prime factors of 13195 are 5, 7, 13 and 29.

What is the largest prime factor of the number 600851475143

1. Find all factors of number
2. Check if number is prime
3. Select biggest prime number

def is_prime(num):
    if num < 2:
        return False
    if num%2==0 and num != 2:
        return False
    for i in range(3, int((num+1)/2) ):
        if num%i==0:
            return False
    return True

def get_factors(num):
    factor = False
    for i in range(2, int(num/2)):
        if num%i==0:
            if _prime(i):
                print(i)

It will run for a long time but just get the first one before it stops running