Q: What are the prime factors of the number 12,492,336?

 A: 2, 3, 317, 821

Why are those the prime factors of the number 12,492,336?

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 12,492,336

12,492,336
Factor Arrows
26,246,168
Factor Arrows
23,123,084
Factor Arrows
21,561,542
Factor Arrows
2780,771
Factor Arrows
3260,257
Factor Arrows
317821

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, 317, 821

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 317 x 821 = 12,492,336

This can also be written as 24 x 31 x 3171 x 8211 = 12,492,336

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


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