Q: What are the prime factors of the number 291,296?

 A: 2, 9103

Why are those the prime factors of the number 291,296?

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 291,296

291,296
Factor Arrows
2145,648
Factor Arrows
272,824
Factor Arrows
236,412
Factor Arrows
218,206
Factor Arrows
29,103

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, 9103

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 9,103 = 291,296

This can also be written as 25 x 9,1031 = 291,296

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


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