Q: What are the prime factors of the number 173,156,622?

 A: 2, 3, 29, 59, 101, 167

Why are those the prime factors of the number 173,156,622?

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 173,156,622

173,156,622
Factor Arrows
286,578,311
Factor Arrows
328,859,437
Factor Arrows
29995,153
Factor Arrows
5916,867
Factor Arrows
101167

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, 29, 59, 101, 167

We can check our work by multiplying all of the prime factors together: 2 x 3 x 29 x 59 x 101 x 167 = 173,156,622

This can also be written as 21 x 31 x 291 x 591 x 1011 x 1671 = 173,156,622

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


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