Q: What are the prime factors of the number 68,266,044?

 A: 2, 3, 7, 11, 8209

Why are those the prime factors of the number 68,266,044?

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 68,266,044

68,266,044
Factor Arrows
234,133,022
Factor Arrows
217,066,511
Factor Arrows
35,688,837
Factor Arrows
31,896,279
Factor Arrows
3632,093
Factor Arrows
790,299
Factor Arrows
118,209

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, 7, 11, 8209

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 7 x 11 x 8,209 = 68,266,044

This can also be written as 22 x 33 x 71 x 111 x 8,2091 = 68,266,044

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


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