Q: What are the prime factors of the number 12,334,440?

 A: 2, 3, 5, 23, 41, 109

Why are those the prime factors of the number 12,334,440?

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 12,334,440

12,334,440
Factor Arrows
26,167,220
Factor Arrows
23,083,610
Factor Arrows
21,541,805
Factor Arrows
3513,935
Factor Arrows
5102,787
Factor Arrows
234,469
Factor Arrows
41109

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, 5, 23, 41, 109

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 23 x 41 x 109 = 12,334,440

This can also be written as 23 x 31 x 51 x 231 x 411 x 1091 = 12,334,440

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


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