Q: What are the prime factors of the number 27,791,260?

 A: 2, 5, 7, 17, 11677

Why are those the prime factors of the number 27,791,260?

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 27,791,260

27,791,260
Factor Arrows
213,895,630
Factor Arrows
26,947,815
Factor Arrows
51,389,563
Factor Arrows
7198,509
Factor Arrows
1711,677

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, 5, 7, 17, 11677

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 17 x 11,677 = 27,791,260

This can also be written as 22 x 51 x 71 x 171 x 11,6771 = 27,791,260

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


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