Q: What are the prime factors of the number 17,811,150?

 A: 2, 3, 5, 7, 16963

Why are those the prime factors of the number 17,811,150?

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 17,811,150

17,811,150
Factor Arrows
28,905,575
Factor Arrows
32,968,525
Factor Arrows
5593,705
Factor Arrows
5118,741
Factor Arrows
716,963

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, 5, 7, 16963

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 7 x 16,963 = 17,811,150

This can also be written as 21 x 31 x 52 x 71 x 16,9631 = 17,811,150

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


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