Q: What are the prime factors of the number 15,792,080?

 A: 2, 5, 307, 643

Why are those the prime factors of the number 15,792,080?

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 15,792,080

15,792,080
Factor Arrows
27,896,040
Factor Arrows
23,948,020
Factor Arrows
21,974,010
Factor Arrows
2987,005
Factor Arrows
5197,401
Factor Arrows
307643

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, 5, 307, 643

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 307 x 643 = 15,792,080

This can also be written as 24 x 51 x 3071 x 6431 = 15,792,080

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


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