Q: What are the prime factors of the number 17,489,682?

 A: 2, 3, 7, 53, 97

Why are those the prime factors of the number 17,489,682?

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 17,489,682

17,489,682
Factor Arrows
28,744,841
Factor Arrows
32,914,947
Factor Arrows
3971,649
Factor Arrows
3323,883
Factor Arrows
3107,961
Factor Arrows
335,987
Factor Arrows
75,141
Factor Arrows
5397

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, 7, 53, 97

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 7 x 53 x 97 = 17,489,682

This can also be written as 21 x 35 x 71 x 531 x 971 = 17,489,682

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


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