Q: What are the prime factors of the number 57,931,412?

 A: 2, 7, 11, 17099

Why are those the prime factors of the number 57,931,412?

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 57,931,412

57,931,412
Factor Arrows
228,965,706
Factor Arrows
214,482,853
Factor Arrows
72,068,979
Factor Arrows
11188,089
Factor Arrows
1117,099

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, 7, 11, 17099

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 11 x 11 x 17,099 = 57,931,412

This can also be written as 22 x 71 x 112 x 17,0991 = 57,931,412

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


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