Q: What are the prime factors of the number 171,008,187?

 A: 3, 7, 67, 97, 179

Why are those the prime factors of the number 171,008,187?

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 171,008,187

171,008,187
Factor Arrows
357,002,729
Factor Arrows
78,143,247
Factor Arrows
71,163,321
Factor Arrows
6717,363
Factor Arrows
97179

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, 7, 67, 97, 179

We can check our work by multiplying all of the prime factors together: 3 x 7 x 7 x 67 x 97 x 179 = 171,008,187

This can also be written as 31 x 72 x 671 x 971 x 1791 = 171,008,187

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


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