Q: What are the prime factors of the number 17,270,176?

 A: 2, 7, 11, 43, 163

Why are those the prime factors of the number 17,270,176?

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 17,270,176

17,270,176
Factor Arrows
28,635,088
Factor Arrows
24,317,544
Factor Arrows
22,158,772
Factor Arrows
21,079,386
Factor Arrows
2539,693
Factor Arrows
777,099
Factor Arrows
117,009
Factor Arrows
43163

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, 7, 11, 43, 163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 11 x 43 x 163 = 17,270,176

This can also be written as 25 x 71 x 111 x 431 x 1631 = 17,270,176

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


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