Q: What are the prime factors of the number 313,281?

 A: 3, 41, 283

Why are those the prime factors of the number 313,281?

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 313,281

313,281
Factor Arrows
3104,427
Factor Arrows
334,809
Factor Arrows
311,603
Factor Arrows
41283

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, 41, 283

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 41 x 283 = 313,281

This can also be written as 33 x 411 x 2831 = 313,281

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


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