Q: What are the prime factors of the number 655,820,523?

 A: 3, 37, 167, 3931

Why are those the prime factors of the number 655,820,523?

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 655,820,523

655,820,523
Factor Arrows
3218,606,841
Factor Arrows
372,868,947
Factor Arrows
324,289,649
Factor Arrows
37656,477
Factor Arrows
1673,931

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:

3, 37, 167, 3931

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 37 x 167 x 3,931 = 655,820,523

This can also be written as 33 x 371 x 1671 x 3,9311 = 655,820,523

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


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