Q: What are the prime factors of the number 13,512,048?

 A: 2, 3, 11, 157, 163

Why are those the prime factors of the number 13,512,048?

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 13,512,048

13,512,048
Factor Arrows
26,756,024
Factor Arrows
23,378,012
Factor Arrows
21,689,006
Factor Arrows
2844,503
Factor Arrows
3281,501
Factor Arrows
1125,591
Factor Arrows
157163

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, 11, 157, 163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 11 x 157 x 163 = 13,512,048

This can also be written as 24 x 31 x 111 x 1571 x 1631 = 13,512,048

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


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