Q: What are the prime factors of the number 66,613,512?

 A: 2, 3, 7, 396509

Why are those the prime factors of the number 66,613,512?

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 66,613,512

66,613,512
Factor Arrows
233,306,756
Factor Arrows
216,653,378
Factor Arrows
28,326,689
Factor Arrows
32,775,563
Factor Arrows
7396,509

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, 396509

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 7 x 396,509 = 66,613,512

This can also be written as 23 x 31 x 71 x 396,5091 = 66,613,512

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


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