Q: What are the prime factors of the number 57,523,878?

 A: 2, 3, 29, 109, 337

Why are those the prime factors of the number 57,523,878?

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 57,523,878

57,523,878
Factor Arrows
228,761,939
Factor Arrows
39,587,313
Factor Arrows
33,195,771
Factor Arrows
31,065,257
Factor Arrows
2936,733
Factor Arrows
109337

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, 29, 109, 337

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 29 x 109 x 337 = 57,523,878

This can also be written as 21 x 33 x 291 x 1091 x 3371 = 57,523,878

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


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