Q: What are the prime factors of the number 45,556,808?

 A: 2, 11, 401, 1291

Why are those the prime factors of the number 45,556,808?

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 45,556,808

45,556,808
Factor Arrows
222,778,404
Factor Arrows
211,389,202
Factor Arrows
25,694,601
Factor Arrows
11517,691
Factor Arrows
4011,291

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, 401, 1291

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 401 x 1,291 = 45,556,808

This can also be written as 23 x 111 x 4011 x 1,2911 = 45,556,808

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


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