All multiples of 72 are greater than 21. If you're looking for factors of 72, use 9 and 12 or 18 and 3
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Apart from 1, all of the other factors of 72 are multiples of prime factors.
The multiples are 72 and any multiple of 72: 144, 216, 288 and so on.
Thy are 144 and any of its multiples
Just 72. It was found by multiplying 8 and 9. --------------------------------------- The common multiples of two numbers are the multiples of their lowest common multiple. LCM(8, 9) = 72 The common multiples of 8 and 9 are 72, 144, 216, ... The only common multiples less than 100 are 72 only.
Itself and any other multiples of 72