Q: What are the prime factors of the number 814,336?

 A: 2, 3181

Why are those the prime factors of the number 814,336?

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 814,336

814,336
Factor Arrows
2407,168
Factor Arrows
2203,584
Factor Arrows
2101,792
Factor Arrows
250,896
Factor Arrows
225,448
Factor Arrows
212,724
Factor Arrows
26,362
Factor Arrows
23,181

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, 3181

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 3,181 = 814,336

This can also be written as 28 x 3,1811 = 814,336

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


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