Q: What are the prime factors of the number 291,992?

 A: 2, 17, 19, 113

Why are those the prime factors of the number 291,992?

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 291,992

291,992
Factor Arrows
2145,996
Factor Arrows
272,998
Factor Arrows
236,499
Factor Arrows
172,147
Factor Arrows
19113

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, 17, 19, 113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 17 x 19 x 113 = 291,992

This can also be written as 23 x 171 x 191 x 1131 = 291,992

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


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