Q: What are the prime factors of the number 45,720,608?

 A: 2, 1428769

Why are those the prime factors of the number 45,720,608?

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 45,720,608

45,720,608
Factor Arrows
222,860,304
Factor Arrows
211,430,152
Factor Arrows
25,715,076
Factor Arrows
22,857,538
Factor Arrows
21,428,769

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, 1428769

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 1,428,769 = 45,720,608

This can also be written as 25 x 1,428,7691 = 45,720,608

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


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