Q: What are the prime factors of the number 321,021,233?

 A: 13, 47, 103, 5101

Why are those the prime factors of the number 321,021,233?

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 321,021,233

321,021,233
Factor Arrows
1324,693,941
Factor Arrows
47525,403
Factor Arrows
1035,101

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:

13, 47, 103, 5101

We can check our work by multiplying all of the prime factors together: 13 x 47 x 103 x 5,101 = 321,021,233

This can also be written as 131 x 471 x 1031 x 5,1011 = 321,021,233

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


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