Q: What are the prime factors of the number 224,000,128?

 A: 2, 11, 23, 6917

Why are those the prime factors of the number 224,000,128?

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 224,000,128

224,000,128
Factor Arrows
2112,000,064
Factor Arrows
256,000,032
Factor Arrows
228,000,016
Factor Arrows
214,000,008
Factor Arrows
27,000,004
Factor Arrows
23,500,002
Factor Arrows
21,750,001
Factor Arrows
11159,091
Factor Arrows
236,917

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, 23, 6917

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 11 x 23 x 6,917 = 224,000,128

This can also be written as 27 x 111 x 231 x 6,9171 = 224,000,128

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


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