Q: What are the prime factors of the number 100,652,664?

 A: 2, 3, 7, 12227

Why are those the prime factors of the number 100,652,664?

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 100,652,664

100,652,664
Factor Arrows
250,326,332
Factor Arrows
225,163,166
Factor Arrows
212,581,583
Factor Arrows
34,193,861
Factor Arrows
7599,123
Factor Arrows
785,589
Factor Arrows
712,227

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, 7, 12227

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 7 x 7 x 12,227 = 100,652,664

This can also be written as 23 x 31 x 73 x 12,2271 = 100,652,664

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


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