Q: What are the prime factors of the number 15,660,992?

 A: 2, 244703

Why are those the prime factors of the number 15,660,992?

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 15,660,992

15,660,992
Factor Arrows
27,830,496
Factor Arrows
23,915,248
Factor Arrows
21,957,624
Factor Arrows
2978,812
Factor Arrows
2489,406
Factor Arrows
2244,703

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, 244703

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 244,703 = 15,660,992

This can also be written as 26 x 244,7031 = 15,660,992

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


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