Q: What are the prime factors of the number 57,657,960?

 A: 2, 3, 5, 197, 271

Why are those the prime factors of the number 57,657,960?

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 57,657,960

57,657,960
Factor Arrows
228,828,980
Factor Arrows
214,414,490
Factor Arrows
27,207,245
Factor Arrows
32,402,415
Factor Arrows
3800,805
Factor Arrows
3266,935
Factor Arrows
553,387
Factor Arrows
197271

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, 197, 271

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 5 x 197 x 271 = 57,657,960

This can also be written as 23 x 33 x 51 x 1971 x 2711 = 57,657,960

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


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