Q: What are the prime factors of the number 167,122,123?

 A: 7, 43, 107, 5189

Why are those the prime factors of the number 167,122,123?

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 167,122,123

167,122,123
Factor Arrows
723,874,589
Factor Arrows
43555,223
Factor Arrows
1075,189

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:

7, 43, 107, 5189

We can check our work by multiplying all of the prime factors together: 7 x 43 x 107 x 5,189 = 167,122,123

This can also be written as 71 x 431 x 1071 x 5,1891 = 167,122,123

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


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