Q: What are the prime factors of the number 3,117,632?

 A: 2, 7, 6959

Why are those the prime factors of the number 3,117,632?

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 3,117,632

3,117,632
Factor Arrows
21,558,816
Factor Arrows
2779,408
Factor Arrows
2389,704
Factor Arrows
2194,852
Factor Arrows
297,426
Factor Arrows
248,713
Factor Arrows
76,959

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, 6959

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 6,959 = 3,117,632

This can also be written as 26 x 71 x 6,9591 = 3,117,632

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


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