Q: What are the prime factors of the number 664,566,464?

 A: 2, 47, 220933

Why are those the prime factors of the number 664,566,464?

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 664,566,464

664,566,464
Factor Arrows
2332,283,232
Factor Arrows
2166,141,616
Factor Arrows
283,070,808
Factor Arrows
241,535,404
Factor Arrows
220,767,702
Factor Arrows
210,383,851
Factor Arrows
47220,933

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, 47, 220933

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 47 x 220,933 = 664,566,464

This can also be written as 26 x 471 x 220,9331 = 664,566,464

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


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