Q: What are the prime factors of the number 27,657,472?

 A: 2, 108037

Why are those the prime factors of the number 27,657,472?

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 27,657,472

27,657,472
Factor Arrows
213,828,736
Factor Arrows
26,914,368
Factor Arrows
23,457,184
Factor Arrows
21,728,592
Factor Arrows
2864,296
Factor Arrows
2432,148
Factor Arrows
2216,074
Factor Arrows
2108,037

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, 108037

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 108,037 = 27,657,472

This can also be written as 28 x 108,0371 = 27,657,472

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


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