Q: What are the prime factors of the number 11,724,291?

 A: 3, 47, 9239

Why are those the prime factors of the number 11,724,291?

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 11,724,291

11,724,291
Factor Arrows
33,908,097
Factor Arrows
31,302,699
Factor Arrows
3434,233
Factor Arrows
479,239

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:

3, 47, 9239

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 47 x 9,239 = 11,724,291

This can also be written as 33 x 471 x 9,2391 = 11,724,291

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


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