Q: What are the prime factors of the number 31,763,375?

 A: 5, 7, 31, 1171

Why are those the prime factors of the number 31,763,375?

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 31,763,375

31,763,375
Factor Arrows
56,352,675
Factor Arrows
51,270,535
Factor Arrows
5254,107
Factor Arrows
736,301
Factor Arrows
311,171

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, 31, 1171

We can check our work by multiplying all of the prime factors together: 5 x 5 x 5 x 7 x 31 x 1,171 = 31,763,375

This can also be written as 53 x 71 x 311 x 1,1711 = 31,763,375

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


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