Q: What are the prime factors of the number 13,070,822?

 A: 2, 19, 29, 409

Why are those the prime factors of the number 13,070,822?

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 13,070,822

13,070,822
Factor Arrows
26,535,411
Factor Arrows
19343,969
Factor Arrows
2911,861
Factor Arrows
29409

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, 19, 29, 409

We can check our work by multiplying all of the prime factors together: 2 x 19 x 29 x 29 x 409 = 13,070,822

This can also be written as 21 x 191 x 292 x 4091 = 13,070,822

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


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