Q: What are the prime factors of the number 801,288?

 A: 2, 3, 31, 359

Why are those the prime factors of the number 801,288?

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 801,288

801,288
Factor Arrows
2400,644
Factor Arrows
2200,322
Factor Arrows
2100,161
Factor Arrows
333,387
Factor Arrows
311,129
Factor Arrows
31359

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, 31, 359

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 31 x 359 = 801,288

This can also be written as 23 x 32 x 311 x 3591 = 801,288

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


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