Q: What are the prime factors of the number 653,702,518?

 A: 2, 7, 31, 67, 22481

Why are those the prime factors of the number 653,702,518?

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 653,702,518

653,702,518
Factor Arrows
2326,851,259
Factor Arrows
746,693,037
Factor Arrows
311,506,227
Factor Arrows
6722,481

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, 31, 67, 22481

We can check our work by multiplying all of the prime factors together: 2 x 7 x 31 x 67 x 22,481 = 653,702,518

This can also be written as 21 x 71 x 311 x 671 x 22,4811 = 653,702,518

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


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