Q: What are the prime factors of the number 266,144?

 A: 2, 8317

Why are those the prime factors of the number 266,144?

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 266,144

266,144
Factor Arrows
2133,072
Factor Arrows
266,536
Factor Arrows
233,268
Factor Arrows
216,634
Factor Arrows
28,317

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, 8317

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 8,317 = 266,144

This can also be written as 25 x 8,3171 = 266,144

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


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