Q: What are the prime factors of the number 222,253,136?

 A: 2, 7, 31, 64013

Why are those the prime factors of the number 222,253,136?

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 222,253,136

222,253,136
Factor Arrows
2111,126,568
Factor Arrows
255,563,284
Factor Arrows
227,781,642
Factor Arrows
213,890,821
Factor Arrows
71,984,403
Factor Arrows
3164,013

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, 31, 64013

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 31 x 64,013 = 222,253,136

This can also be written as 24 x 71 x 311 x 64,0131 = 222,253,136

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


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