Q: What are the prime factors of the number 15,676,199?

 A: 7, 11, 163, 1249

Why are those the prime factors of the number 15,676,199?

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 15,676,199

15,676,199
Factor Arrows
72,239,457
Factor Arrows
11203,587
Factor Arrows
1631,249

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:

7, 11, 163, 1249

We can check our work by multiplying all of the prime factors together: 7 x 11 x 163 x 1,249 = 15,676,199

This can also be written as 71 x 111 x 1631 x 1,2491 = 15,676,199

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


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