Q: What are the prime factors of the number 222,023,536?

 A: 2, 7, 17, 29, 4021

Why are those the prime factors of the number 222,023,536?

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 222,023,536

222,023,536
Factor Arrows
2111,011,768
Factor Arrows
255,505,884
Factor Arrows
227,752,942
Factor Arrows
213,876,471
Factor Arrows
71,982,353
Factor Arrows
17116,609
Factor Arrows
294,021

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, 7, 17, 29, 4021

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 17 x 29 x 4,021 = 222,023,536

This can also be written as 24 x 71 x 171 x 291 x 4,0211 = 222,023,536

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


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