Q: What are the prime factors of the number 12,215,024?

 A: 2, 19, 23, 1747

Why are those the prime factors of the number 12,215,024?

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 12,215,024

12,215,024
Factor Arrows
26,107,512
Factor Arrows
23,053,756
Factor Arrows
21,526,878
Factor Arrows
2763,439
Factor Arrows
1940,181
Factor Arrows
231,747

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, 19, 23, 1747

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 19 x 23 x 1,747 = 12,215,024

This can also be written as 24 x 191 x 231 x 1,7471 = 12,215,024

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


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