Q: What are the prime factors of the number 45,354,452?

 A: 2, 11, 13, 37, 2143

Why are those the prime factors of the number 45,354,452?

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 45,354,452

45,354,452
Factor Arrows
222,677,226
Factor Arrows
211,338,613
Factor Arrows
111,030,783
Factor Arrows
1379,291
Factor Arrows
372,143

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, 13, 37, 2143

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 13 x 37 x 2,143 = 45,354,452

This can also be written as 22 x 111 x 131 x 371 x 2,1431 = 45,354,452

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


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