Q: What are the prime factors of the number 288,711?

 A: 3, 17, 37

Why are those the prime factors of the number 288,711?

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 288,711

288,711
Factor Arrows
396,237
Factor Arrows
332,079
Factor Arrows
310,693
Factor Arrows
17629
Factor Arrows
1737

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:

3, 17, 37

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 17 x 17 x 37 = 288,711

This can also be written as 33 x 172 x 371 = 288,711

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


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