Q: What are the prime factors of the number 66,133,314?

 A: 2, 3, 13, 94207

Why are those the prime factors of the number 66,133,314?

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 66,133,314

66,133,314
Factor Arrows
233,066,657
Factor Arrows
311,022,219
Factor Arrows
33,674,073
Factor Arrows
31,224,691
Factor Arrows
1394,207

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, 13, 94207

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 13 x 94,207 = 66,133,314

This can also be written as 21 x 33 x 131 x 94,2071 = 66,133,314

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


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