Q: What are the prime factors of the number 13,402,098?

 A: 2, 3, 82729

Why are those the prime factors of the number 13,402,098?

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 13,402,098

13,402,098
Factor Arrows
26,701,049
Factor Arrows
32,233,683
Factor Arrows
3744,561
Factor Arrows
3248,187
Factor Arrows
382,729

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, 82729

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 82,729 = 13,402,098

This can also be written as 21 x 34 x 82,7291 = 13,402,098

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


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