Q: What are the prime factors of the number 11,188,864?

 A: 2, 61, 1433

Why are those the prime factors of the number 11,188,864?

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 11,188,864

11,188,864
Factor Arrows
25,594,432
Factor Arrows
22,797,216
Factor Arrows
21,398,608
Factor Arrows
2699,304
Factor Arrows
2349,652
Factor Arrows
2174,826
Factor Arrows
287,413
Factor Arrows
611,433

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, 61, 1433

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 2 x 61 x 1,433 = 11,188,864

This can also be written as 27 x 611 x 1,4331 = 11,188,864

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


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