Q: What are the prime factors of the number 172,125,272?

 A: 2, 11, 17, 115057

Why are those the prime factors of the number 172,125,272?

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 172,125,272

172,125,272
Factor Arrows
286,062,636
Factor Arrows
243,031,318
Factor Arrows
221,515,659
Factor Arrows
111,955,969
Factor Arrows
17115,057

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, 11, 17, 115057

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 17 x 115,057 = 172,125,272

This can also be written as 23 x 111 x 171 x 115,0571 = 172,125,272

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


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