Q: What are the prime factors of the number 222,323,222?

 A: 2, 11, 29, 79, 401

Why are those the prime factors of the number 222,323,222?

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 222,323,222

222,323,222
Factor Arrows
2111,161,611
Factor Arrows
1110,105,601
Factor Arrows
11918,691
Factor Arrows
2931,679
Factor Arrows
79401

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, 11, 29, 79, 401

We can check our work by multiplying all of the prime factors together: 2 x 11 x 11 x 29 x 79 x 401 = 222,323,222

This can also be written as 21 x 112 x 291 x 791 x 4011 = 222,323,222

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


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