Q: What are the prime factors of the number 266,541,624?

 A: 2, 3, 109, 11321

Why are those the prime factors of the number 266,541,624?

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 266,541,624

266,541,624
Factor Arrows
2133,270,812
Factor Arrows
266,635,406
Factor Arrows
233,317,703
Factor Arrows
311,105,901
Factor Arrows
33,701,967
Factor Arrows
31,233,989
Factor Arrows
10911,321

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, 109, 11321

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 109 x 11,321 = 266,541,624

This can also be written as 23 x 33 x 1091 x 11,3211 = 266,541,624

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


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