Q: What are the prime factors of the number 17,147,274?

 A: 2, 3, 89, 163, 197

Why are those the prime factors of the number 17,147,274?

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 17,147,274

17,147,274
Factor Arrows
28,573,637
Factor Arrows
32,857,879
Factor Arrows
8932,111
Factor Arrows
163197

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, 89, 163, 197

We can check our work by multiplying all of the prime factors together: 2 x 3 x 89 x 163 x 197 = 17,147,274

This can also be written as 21 x 31 x 891 x 1631 x 1971 = 17,147,274

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


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