How To Quickly Find All The Factors Of 72
How can you quickly find the factors of a number? Factors are the numbers that divide evenly into another number — with no remainder. A factor is always less than or equal to the original number. To find all factors quickly: Start with 1 and the original number — these are always factors. Test each number starting from 2: Ask: Does this number divide into the original without a remainder? If yes, add both the divisor and the quotient to your list. Stop when you pass the square root of the number. If you end with only 1 and the number itself, it’s prime. If you find more than two factors, it’s composite. ...