Q: What are the prime factors of the number 15,258,112?

 A: 2, 17, 1753

Why are those the prime factors of the number 15,258,112?

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 15,258,112

15,258,112
Factor Arrows
27,629,056
Factor Arrows
23,814,528
Factor Arrows
21,907,264
Factor Arrows
2953,632
Factor Arrows
2476,816
Factor Arrows
2238,408
Factor Arrows
2119,204
Factor Arrows
259,602
Factor Arrows
229,801
Factor Arrows
171,753

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, 17, 1753

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 2 x 2 x 2 x 17 x 1,753 = 15,258,112

This can also be written as 29 x 171 x 1,7531 = 15,258,112

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


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