Q: What are the prime factors of the number 371,825,125?

 A: 5, 7, 251, 1693

Why are those the prime factors of the number 371,825,125?

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 371,825,125

371,825,125
Factor Arrows
574,365,025
Factor Arrows
514,873,005
Factor Arrows
52,974,601
Factor Arrows
7424,943
Factor Arrows
2511,693

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:

5, 7, 251, 1693

We can check our work by multiplying all of the prime factors together: 5 x 5 x 5 x 7 x 251 x 1,693 = 371,825,125

This can also be written as 53 x 71 x 2511 x 1,6931 = 371,825,125

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


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