Q: What are the prime factors of the number 15,032,352?

 A: 2, 3, 17, 61, 151

Why are those the prime factors of the number 15,032,352?

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 15,032,352

15,032,352
Factor Arrows
27,516,176
Factor Arrows
23,758,088
Factor Arrows
21,879,044
Factor Arrows
2939,522
Factor Arrows
2469,761
Factor Arrows
3156,587
Factor Arrows
179,211
Factor Arrows
61151

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, 17, 61, 151

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 17 x 61 x 151 = 15,032,352

This can also be written as 25 x 31 x 171 x 611 x 1511 = 15,032,352

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


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