Q: What are the prime factors of the number 222,272?

 A: 2, 23, 151

Why are those the prime factors of the number 222,272?

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 222,272

222,272
Factor Arrows
2111,136
Factor Arrows
255,568
Factor Arrows
227,784
Factor Arrows
213,892
Factor Arrows
26,946
Factor Arrows
23,473
Factor Arrows
23151

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, 23, 151

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 23 x 151 = 222,272

This can also be written as 26 x 231 x 1511 = 222,272

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


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