it is finding which prime numbers should be multiplied together to make 120. Since number 120 is a Composite number (not Prime) we can do its Prime Factorization. To get a list of all Prime Factors of 120， Prime Factorization of 120 is expressing 120 as the product of prime factors. In other words， 2， 2， 5 Or you may also write it in exponential form: 23 × 3 × 5 ， 3， we have to iteratively divide 120 by the smallest prime number possible until the result equals 1. Here is the complete solution of finding Prime Factors of 120: The smallest Prime Number which can divide 120 without a remainder is 2 . So the first calculation step would look like: 120 ÷ 2 = 60 Now we repeat this action until the result equals 1 : 60 ÷ 2 = 30 30 ÷ 2 = 15 15 ÷ 3 = 5 5 ÷ 5 = 1 Now we have all the Prime Factors for number 120. It is: 2，。

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