Q: What are the prime factors of the number 223,100,128?

 A: 2, 19, 366941

Why are those the prime factors of the number 223,100,128?

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 223,100,128

223,100,128
Factor Arrows
2111,550,064
Factor Arrows
255,775,032
Factor Arrows
227,887,516
Factor Arrows
213,943,758
Factor Arrows
26,971,879
Factor Arrows
19366,941

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, 19, 366941

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 19 x 366,941 = 223,100,128

This can also be written as 25 x 191 x 366,9411 = 223,100,128

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


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