Q: What are the prime factors of the number 13,540,098?

 A: 2, 3, 11, 13, 43, 367

Why are those the prime factors of the number 13,540,098?

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 13,540,098

13,540,098
Factor Arrows
26,770,049
Factor Arrows
32,256,683
Factor Arrows
11205,153
Factor Arrows
1315,781
Factor Arrows
43367

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, 43, 367

We can check our work by multiplying all of the prime factors together: 2 x 3 x 11 x 13 x 43 x 367 = 13,540,098

This can also be written as 21 x 31 x 111 x 131 x 431 x 3671 = 13,540,098

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


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