Q: What are the prime factors of the number 242,110,323?

 A: 3, 7, 13, 2011

Why are those the prime factors of the number 242,110,323?

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 242,110,323

242,110,323
Factor Arrows
380,703,441
Factor Arrows
326,901,147
Factor Arrows
38,967,049
Factor Arrows
71,281,007
Factor Arrows
7183,001
Factor Arrows
726,143
Factor Arrows
132,011

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:

3, 7, 13, 2011

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 7 x 7 x 13 x 2,011 = 242,110,323

This can also be written as 33 x 73 x 131 x 2,0111 = 242,110,323

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


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