Q: What are the prime factors of the number 15,412,113?

 A: 3, 149, 1277

Why are those the prime factors of the number 15,412,113?

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 15,412,113

15,412,113
Factor Arrows
35,137,371
Factor Arrows
31,712,457
Factor Arrows
3570,819
Factor Arrows
3190,273
Factor Arrows
1491,277

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, 149, 1277

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 149 x 1,277 = 15,412,113

This can also be written as 34 x 1491 x 1,2771 = 15,412,113

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


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