Q: What are the prime factors of the number 52,137,720?

 A: 2, 3, 5, 251, 577

Why are those the prime factors of the number 52,137,720?

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 52,137,720

52,137,720
Factor Arrows
226,068,860
Factor Arrows
213,034,430
Factor Arrows
26,517,215
Factor Arrows
32,172,405
Factor Arrows
3724,135
Factor Arrows
5144,827
Factor Arrows
251577

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, 251, 577

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 5 x 251 x 577 = 52,137,720

This can also be written as 23 x 32 x 51 x 2511 x 5771 = 52,137,720

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


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