Q: What are the prime factors of the number 66,065,268?

 A: 2, 3, 41, 47, 2857

Why are those the prime factors of the number 66,065,268?

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 66,065,268

66,065,268
Factor Arrows
233,032,634
Factor Arrows
216,516,317
Factor Arrows
35,505,439
Factor Arrows
41134,279
Factor Arrows
472,857

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, 41, 47, 2857

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 41 x 47 x 2,857 = 66,065,268

This can also be written as 22 x 31 x 411 x 471 x 2,8571 = 66,065,268

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


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