Q: What are the prime factors of the number 517,665,174?

 A: 2, 3, 13, 59, 197, 571

Why are those the prime factors of the number 517,665,174?

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 517,665,174

517,665,174
Factor Arrows
2258,832,587
Factor Arrows
386,277,529
Factor Arrows
136,636,733
Factor Arrows
59112,487
Factor Arrows
197571

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, 3, 13, 59, 197, 571

We can check our work by multiplying all of the prime factors together: 2 x 3 x 13 x 59 x 197 x 571 = 517,665,174

This can also be written as 21 x 31 x 131 x 591 x 1971 x 5711 = 517,665,174

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


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