Q: What are the prime factors of the number 17,107,722?

 A: 2, 3, 23, 31, 43

Why are those the prime factors of the number 17,107,722?

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 17,107,722

17,107,722
Factor Arrows
28,553,861
Factor Arrows
32,851,287
Factor Arrows
3950,429
Factor Arrows
2341,323
Factor Arrows
311,333
Factor Arrows
3143

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, 23, 31, 43

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 23 x 31 x 31 x 43 = 17,107,722

This can also be written as 21 x 32 x 231 x 312 x 431 = 17,107,722

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


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