1-2 Prime Factors 2016.notebook
... 2: If a number is even 3: If when you add the digits, that number is divisible by 3 4: If it is still even after you divide by 2, or if the last two digits are a number divisible by 4 5: If it ends in a 0 or 5 6: If it is divisible by 2 and 3 7: You gotta know your multiples of 7 8: If the last thre ...
... 2: If a number is even 3: If when you add the digits, that number is divisible by 3 4: If it is still even after you divide by 2, or if the last two digits are a number divisible by 4 5: If it ends in a 0 or 5 6: If it is divisible by 2 and 3 7: You gotta know your multiples of 7 8: If the last thre ...
