Q: What are the prime factors of the number 122,256?

 A: 2, 3, 283

Why are those the prime factors of the number 122,256?

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 122,256

122,256
Factor Arrows
261,128
Factor Arrows
230,564
Factor Arrows
215,282
Factor Arrows
27,641
Factor Arrows
32,547
Factor Arrows
3849
Factor Arrows
3283

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, 283

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 283 = 122,256

This can also be written as 24 x 33 x 2831 = 122,256

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


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