Q: What are the prime factors of the number 517,877,307?

 A: 3, 17, 22123

Why are those the prime factors of the number 517,877,307?

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 517,877,307

517,877,307
Factor Arrows
3172,625,769
Factor Arrows
357,541,923
Factor Arrows
319,180,641
Factor Arrows
36,393,547
Factor Arrows
17376,091
Factor Arrows
1722,123

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, 17, 22123

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 17 x 17 x 22,123 = 517,877,307

This can also be written as 34 x 172 x 22,1231 = 517,877,307

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


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