Q: What are the prime factors of the number 57,685,856?

 A: 2, 1802683

Why are those the prime factors of the number 57,685,856?

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 57,685,856

57,685,856
Factor Arrows
228,842,928
Factor Arrows
214,421,464
Factor Arrows
27,210,732
Factor Arrows
23,605,366
Factor Arrows
21,802,683

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, 1802683

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 1,802,683 = 57,685,856

This can also be written as 25 x 1,802,6831 = 57,685,856

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


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