Q: What are the prime factors of the number 170,174,250?

 A: 2, 3, 5, 17, 1483

Why are those the prime factors of the number 170,174,250?

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 170,174,250

170,174,250
Factor Arrows
285,087,125
Factor Arrows
328,362,375
Factor Arrows
39,454,125
Factor Arrows
33,151,375
Factor Arrows
5630,275
Factor Arrows
5126,055
Factor Arrows
525,211
Factor Arrows
171,483

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, 5, 17, 1483

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 5 x 5 x 5 x 17 x 1,483 = 170,174,250

This can also be written as 21 x 33 x 53 x 171 x 1,4831 = 170,174,250

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


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