Q: What are the prime factors of the number 132,122,124?

 A: 2, 3, 19, 31, 67

Why are those the prime factors of the number 132,122,124?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 132,122,124

132,122,124
Factor Arrows
266,061,062
Factor Arrows
233,030,531
Factor Arrows
311,010,177
Factor Arrows
33,670,059
Factor Arrows
31,223,353
Factor Arrows
1964,387
Factor Arrows
312,077
Factor Arrows
3167

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 19, 31, 67

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 19 x 31 x 31 x 67 = 132,122,124

This can also be written as 22 x 33 x 191 x 312 x 671 = 132,122,124

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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