Q: What are the prime factors of the number 27,185,481?

 A: 3, 31, 139, 701

Why are those the prime factors of the number 27,185,481?

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 27,185,481

27,185,481
Factor Arrows
39,061,827
Factor Arrows
33,020,609
Factor Arrows
3197,439
Factor Arrows
139701

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, 31, 139, 701

We can check our work by multiplying all of the prime factors together: 3 x 3 x 31 x 139 x 701 = 27,185,481

This can also be written as 32 x 311 x 1391 x 7011 = 27,185,481

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


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