Q: What are the prime factors of the number 202,761,664?

 A: 2, 7, 499, 907

Why are those the prime factors of the number 202,761,664?

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 202,761,664

202,761,664
Factor Arrows
2101,380,832
Factor Arrows
250,690,416
Factor Arrows
225,345,208
Factor Arrows
212,672,604
Factor Arrows
26,336,302
Factor Arrows
23,168,151
Factor Arrows
7452,593
Factor Arrows
499907

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, 499, 907

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 7 x 499 x 907 = 202,761,664

This can also be written as 26 x 71 x 4991 x 9071 = 202,761,664

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


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