Q: What are the prime factors of the number 27,625,185?

 A: 3, 5, 7, 23, 31, 41

Why are those the prime factors of the number 27,625,185?

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 27,625,185

27,625,185
Factor Arrows
39,208,395
Factor Arrows
33,069,465
Factor Arrows
31,023,155
Factor Arrows
5204,631
Factor Arrows
729,233
Factor Arrows
231,271
Factor Arrows
3141

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, 7, 23, 31, 41

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 7 x 23 x 31 x 41 = 27,625,185

This can also be written as 33 x 51 x 71 x 231 x 311 x 411 = 27,625,185

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


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