Q: What are the prime factors of the number 222,302,144?

 A: 2, 139, 24989

Why are those the prime factors of the number 222,302,144?

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 222,302,144

222,302,144
Factor Arrows
2111,151,072
Factor Arrows
255,575,536
Factor Arrows
227,787,768
Factor Arrows
213,893,884
Factor Arrows
26,946,942
Factor Arrows
23,473,471
Factor Arrows
13924,989

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, 139, 24989

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 139 x 24,989 = 222,302,144

This can also be written as 26 x 1391 x 24,9891 = 222,302,144

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


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