How Do You Know if a Number is Divisible by 2,3, 5, 6, or 10?

So, you have a large number that is being divided by a smaller number. Learn a few tricks to make dividing a little more palatable. 2-is it even, 3-do the digits add up to a multiple of three, 5-does it end in 0 or 5, 6-is it divisible by 2 and 3, 10-does it end in 0. These tricks can also come in handy when you are trying to find the prime factors of a larger number.