Q: What are the prime factors of the number 11,944,608?

 A: 2, 3, 13, 17, 563

Why are those the prime factors of the number 11,944,608?

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 11,944,608

11,944,608
Factor Arrows
25,972,304
Factor Arrows
22,986,152
Factor Arrows
21,493,076
Factor Arrows
2746,538
Factor Arrows
2373,269
Factor Arrows
3124,423
Factor Arrows
139,571
Factor Arrows
17563

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, 13, 17, 563

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 13 x 17 x 563 = 11,944,608

This can also be written as 25 x 31 x 131 x 171 x 5631 = 11,944,608

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


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