Q: What are the prime factors of the number 167,721,379?

 A: 7, 19, 199, 6337

Why are those the prime factors of the number 167,721,379?

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 167,721,379

167,721,379
Factor Arrows
723,960,197
Factor Arrows
191,261,063
Factor Arrows
1996,337

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, 19, 199, 6337

We can check our work by multiplying all of the prime factors together: 7 x 19 x 199 x 6,337 = 167,721,379

This can also be written as 71 x 191 x 1991 x 6,3371 = 167,721,379

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


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