Q: What are the prime factors of the number 3,680,256?

 A: 2, 3, 599

Why are those the prime factors of the number 3,680,256?

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 3,680,256

3,680,256
Factor Arrows
21,840,128
Factor Arrows
2920,064
Factor Arrows
2460,032
Factor Arrows
2230,016
Factor Arrows
2115,008
Factor Arrows
257,504
Factor Arrows
228,752
Factor Arrows
214,376
Factor Arrows
27,188
Factor Arrows
23,594
Factor Arrows
21,797
Factor Arrows
3599

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, 599

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 2 x 2 x 2 x 3 x 599 = 3,680,256

This can also be written as 211 x 31 x 5991 = 3,680,256

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


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