Q: What are the prime factors of the number 286,110?

 A: 2, 3, 5, 11, 17

Why are those the prime factors of the number 286,110?

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 286,110

286,110
Factor Arrows
2143,055
Factor Arrows
347,685
Factor Arrows
315,895
Factor Arrows
53,179
Factor Arrows
11289
Factor Arrows
1717

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, 11, 17

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 11 x 17 x 17 = 286,110

This can also be written as 21 x 32 x 51 x 111 x 172 = 286,110

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


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