Q: What are the prime factors of the number 17,047,746?

 A: 2, 3, 47, 2239

Why are those the prime factors of the number 17,047,746?

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 17,047,746

17,047,746
Factor Arrows
28,523,873
Factor Arrows
32,841,291
Factor Arrows
3947,097
Factor Arrows
3315,699
Factor Arrows
3105,233
Factor Arrows
472,239

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, 47, 2239

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 47 x 2,239 = 17,047,746

This can also be written as 21 x 34 x 471 x 2,2391 = 17,047,746

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


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