Q: What are the prime factors of the number 15,564,116?

 A: 2, 19, 204791

Why are those the prime factors of the number 15,564,116?

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 15,564,116

15,564,116
Factor Arrows
27,782,058
Factor Arrows
23,891,029
Factor Arrows
19204,791

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, 19, 204791

We can check our work by multiplying all of the prime factors together: 2 x 2 x 19 x 204,791 = 15,564,116

This can also be written as 22 x 191 x 204,7911 = 15,564,116

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


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