Q: What are the prime factors of the number 66,867,264?

 A: 2, 3, 116089

Why are those the prime factors of the number 66,867,264?

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 66,867,264

66,867,264
Factor Arrows
233,433,632
Factor Arrows
216,716,816
Factor Arrows
28,358,408
Factor Arrows
24,179,204
Factor Arrows
22,089,602
Factor Arrows
21,044,801
Factor Arrows
3348,267
Factor Arrows
3116,089

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, 116089

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 116,089 = 66,867,264

This can also be written as 26 x 32 x 116,0891 = 66,867,264

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


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