Q: What are the prime factors of the number 37,625,640?

 A: 2, 3, 5, 13, 89, 271

Why are those the prime factors of the number 37,625,640?

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 37,625,640

37,625,640
Factor Arrows
218,812,820
Factor Arrows
29,406,410
Factor Arrows
24,703,205
Factor Arrows
31,567,735
Factor Arrows
5313,547
Factor Arrows
1324,119
Factor Arrows
89271

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, 5, 13, 89, 271

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 13 x 89 x 271 = 37,625,640

This can also be written as 23 x 31 x 51 x 131 x 891 x 2711 = 37,625,640

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


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