Q: What are the prime factors of the number 15,317,600?

 A: 2, 5, 41, 467

Why are those the prime factors of the number 15,317,600?

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 15,317,600

15,317,600
Factor Arrows
27,658,800
Factor Arrows
23,829,400
Factor Arrows
21,914,700
Factor Arrows
2957,350
Factor Arrows
2478,675
Factor Arrows
595,735
Factor Arrows
519,147
Factor Arrows
41467

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, 41, 467

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 5 x 41 x 467 = 15,317,600

This can also be written as 25 x 52 x 411 x 4671 = 15,317,600

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


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