Q: What are the prime factors of the number 15,244,560?

 A: 2, 3, 5, 31, 683

Why are those the prime factors of the number 15,244,560?

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 15,244,560

15,244,560
Factor Arrows
27,622,280
Factor Arrows
23,811,140
Factor Arrows
21,905,570
Factor Arrows
2952,785
Factor Arrows
3317,595
Factor Arrows
3105,865
Factor Arrows
521,173
Factor Arrows
31683

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, 3, 5, 31, 683

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 5 x 31 x 683 = 15,244,560

This can also be written as 24 x 32 x 51 x 311 x 6831 = 15,244,560

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


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