Q: What are the prime factors of the number 17,475,345?

 A: 3, 5, 19, 757

Why are those the prime factors of the number 17,475,345?

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 17,475,345

17,475,345
Factor Arrows
35,825,115
Factor Arrows
31,941,705
Factor Arrows
3647,235
Factor Arrows
3215,745
Factor Arrows
371,915
Factor Arrows
514,383
Factor Arrows
19757

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:

3, 5, 19, 757

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 5 x 19 x 757 = 17,475,345

This can also be written as 35 x 51 x 191 x 7571 = 17,475,345

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


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