Q: What are the prime factors of the number 11,556,800?

 A: 2, 5, 31, 233

Why are those the prime factors of the number 11,556,800?

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 11,556,800

11,556,800
Factor Arrows
25,778,400
Factor Arrows
22,889,200
Factor Arrows
21,444,600
Factor Arrows
2722,300
Factor Arrows
2361,150
Factor Arrows
2180,575
Factor Arrows
536,115
Factor Arrows
57,223
Factor Arrows
31233

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, 5, 31, 233

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 5 x 31 x 233 = 11,556,800

This can also be written as 26 x 52 x 311 x 2331 = 11,556,800

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


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