Q: What are the prime factors of the number 17,270,280?

 A: 2, 3, 5, 15991

Why are those the prime factors of the number 17,270,280?

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 17,270,280

17,270,280
Factor Arrows
28,635,140
Factor Arrows
24,317,570
Factor Arrows
22,158,785
Factor Arrows
3719,595
Factor Arrows
3239,865
Factor Arrows
379,955
Factor Arrows
515,991

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, 3, 5, 15991

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 5 x 15,991 = 17,270,280

This can also be written as 23 x 33 x 51 x 15,9911 = 17,270,280

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


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