Q: What are the prime factors of the number 12,892,308?

 A: 2, 3, 11, 13, 683

Why are those the prime factors of the number 12,892,308?

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 12,892,308

12,892,308
Factor Arrows
26,446,154
Factor Arrows
23,223,077
Factor Arrows
31,074,359
Factor Arrows
1197,669
Factor Arrows
118,879
Factor Arrows
13683

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, 11, 13, 683

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 11 x 13 x 683 = 12,892,308

This can also be written as 22 x 31 x 112 x 131 x 6831 = 12,892,308

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


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