Q: What are the prime factors of the number 39,070,752?

 A: 2, 3, 7, 53, 1097

Why are those the prime factors of the number 39,070,752?

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 39,070,752

39,070,752
Factor Arrows
219,535,376
Factor Arrows
29,767,688
Factor Arrows
24,883,844
Factor Arrows
22,441,922
Factor Arrows
21,220,961
Factor Arrows
3406,987
Factor Arrows
758,141
Factor Arrows
531,097

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, 7, 53, 1097

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 7 x 53 x 1,097 = 39,070,752

This can also be written as 25 x 31 x 71 x 531 x 1,0971 = 39,070,752

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


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