Q: What are the prime factors of the number 291,096?

 A: 2, 3, 13, 311

Why are those the prime factors of the number 291,096?

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 291,096

291,096
Factor Arrows
2145,548
Factor Arrows
272,774
Factor Arrows
236,387
Factor Arrows
312,129
Factor Arrows
34,043
Factor Arrows
13311

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, 13, 311

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 13 x 311 = 291,096

This can also be written as 23 x 32 x 131 x 3111 = 291,096

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


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