Q: What are the prime factors of the number 45,015,648?

 A: 2, 3, 468913

Why are those the prime factors of the number 45,015,648?

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 45,015,648

45,015,648
Factor Arrows
222,507,824
Factor Arrows
211,253,912
Factor Arrows
25,626,956
Factor Arrows
22,813,478
Factor Arrows
21,406,739
Factor Arrows
3468,913

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, 468913

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 468,913 = 45,015,648

This can also be written as 25 x 31 x 468,9131 = 45,015,648

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


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