Q: What are the prime factors of the number 494,336?

 A: 2, 1931

Why are those the prime factors of the number 494,336?

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 494,336

494,336
Factor Arrows
2247,168
Factor Arrows
2123,584
Factor Arrows
261,792
Factor Arrows
230,896
Factor Arrows
215,448
Factor Arrows
27,724
Factor Arrows
23,862
Factor Arrows
21,931

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, 1931

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 1,931 = 494,336

This can also be written as 28 x 1,9311 = 494,336

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


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