Q: What are the prime factors of the number 314,784?

 A: 2, 3, 1093

Why are those the prime factors of the number 314,784?

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 314,784

314,784
Factor Arrows
2157,392
Factor Arrows
278,696
Factor Arrows
239,348
Factor Arrows
219,674
Factor Arrows
29,837
Factor Arrows
33,279
Factor Arrows
31,093

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, 1093

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 1,093 = 314,784

This can also be written as 25 x 32 x 1,0931 = 314,784

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


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