Q: What are the prime factors of the number 13,216,359?

 A: 3, 13, 109, 3109

Why are those the prime factors of the number 13,216,359?

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 13,216,359

13,216,359
Factor Arrows
34,405,453
Factor Arrows
13338,881
Factor Arrows
1093,109

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, 13, 109, 3109

We can check our work by multiplying all of the prime factors together: 3 x 13 x 109 x 3,109 = 13,216,359

This can also be written as 31 x 131 x 1091 x 3,1091 = 13,216,359

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


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