Q: What are the prime factors of the number 11,264,128?

 A: 2, 88001

Why are those the prime factors of the number 11,264,128?

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 11,264,128

11,264,128
Factor Arrows
25,632,064
Factor Arrows
22,816,032
Factor Arrows
21,408,016
Factor Arrows
2704,008
Factor Arrows
2352,004
Factor Arrows
2176,002
Factor Arrows
288,001

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, 88001

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 88,001 = 11,264,128

This can also be written as 27 x 88,0011 = 11,264,128

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


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