Q: What are the prime factors of the number 17,311,158?

 A: 2, 3, 106859

Why are those the prime factors of the number 17,311,158?

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 17,311,158

17,311,158
Factor Arrows
28,655,579
Factor Arrows
32,885,193
Factor Arrows
3961,731
Factor Arrows
3320,577
Factor Arrows
3106,859

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, 106859

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 106,859 = 17,311,158

This can also be written as 21 x 34 x 106,8591 = 17,311,158

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


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