Q: What are the prime factors of the number 4,108,256?

 A: 2, 19, 29, 233

Why are those the prime factors of the number 4,108,256?

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 4,108,256

4,108,256
Factor Arrows
22,054,128
Factor Arrows
21,027,064
Factor Arrows
2513,532
Factor Arrows
2256,766
Factor Arrows
2128,383
Factor Arrows
196,757
Factor Arrows
29233

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, 19, 29, 233

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 19 x 29 x 233 = 4,108,256

This can also be written as 25 x 191 x 291 x 2331 = 4,108,256

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


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