Q: What are the prime factors of the number 317,321,017?

 A: 13, 41, 47, 53, 239

Why are those the prime factors of the number 317,321,017?

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 317,321,017

317,321,017
Factor Arrows
1324,409,309
Factor Arrows
41595,349
Factor Arrows
4712,667
Factor Arrows
53239

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:

13, 41, 47, 53, 239

We can check our work by multiplying all of the prime factors together: 13 x 41 x 47 x 53 x 239 = 317,321,017

This can also be written as 131 x 411 x 471 x 531 x 2391 = 317,321,017

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


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