Q: What are the prime factors of the number 167,410,638?

 A: 2, 3, 79, 103, 127

Why are those the prime factors of the number 167,410,638?

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 167,410,638

167,410,638
Factor Arrows
283,705,319
Factor Arrows
327,901,773
Factor Arrows
39,300,591
Factor Arrows
33,100,197
Factor Arrows
31,033,399
Factor Arrows
7913,081
Factor Arrows
103127

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, 79, 103, 127

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 79 x 103 x 127 = 167,410,638

This can also be written as 21 x 34 x 791 x 1031 x 1271 = 167,410,638

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


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