Q: What are the prime factors of the number 666,430,048?

 A: 2, 20825939

Why are those the prime factors of the number 666,430,048?

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 666,430,048

666,430,048
Factor Arrows
2333,215,024
Factor Arrows
2166,607,512
Factor Arrows
283,303,756
Factor Arrows
241,651,878
Factor Arrows
220,825,939

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, 20825939

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 20,825,939 = 666,430,048

This can also be written as 25 x 20,825,9391 = 666,430,048

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


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