Q: What are the prime factors of the number 202,175,904?

 A: 2, 3, 7, 300857

Why are those the prime factors of the number 202,175,904?

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 202,175,904

202,175,904
Factor Arrows
2101,087,952
Factor Arrows
250,543,976
Factor Arrows
225,271,988
Factor Arrows
212,635,994
Factor Arrows
26,317,997
Factor Arrows
32,105,999
Factor Arrows
7300,857

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, 300857

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 7 x 300,857 = 202,175,904

This can also be written as 25 x 31 x 71 x 300,8571 = 202,175,904

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


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