Q: What are the prime factors of the number 45,061,544?

 A: 2, 11, 97, 5279

Why are those the prime factors of the number 45,061,544?

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 45,061,544

45,061,544
Factor Arrows
222,530,772
Factor Arrows
211,265,386
Factor Arrows
25,632,693
Factor Arrows
11512,063
Factor Arrows
975,279

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, 11, 97, 5279

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 97 x 5,279 = 45,061,544

This can also be written as 23 x 111 x 971 x 5,2791 = 45,061,544

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


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