Q: What are the prime factors of the number 27,127,305?

 A: 3, 5, 83, 269

Why are those the prime factors of the number 27,127,305?

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 27,127,305

27,127,305
Factor Arrows
39,042,435
Factor Arrows
33,014,145
Factor Arrows
31,004,715
Factor Arrows
3334,905
Factor Arrows
3111,635
Factor Arrows
522,327
Factor Arrows
83269

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, 83, 269

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 5 x 83 x 269 = 27,127,305

This can also be written as 35 x 51 x 831 x 2691 = 27,127,305

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


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