Q: What are the prime factors of the number 12,205,875?

 A: 3, 5, 11, 269

Why are those the prime factors of the number 12,205,875?

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 12,205,875

12,205,875
Factor Arrows
34,068,625
Factor Arrows
5813,725
Factor Arrows
5162,745
Factor Arrows
532,549
Factor Arrows
112,959
Factor Arrows
11269

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, 5, 11, 269

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 5 x 11 x 11 x 269 = 12,205,875

This can also be written as 31 x 53 x 112 x 2691 = 12,205,875

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


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