Q: What are the prime factors of the number 233,231,220?

 A: 2, 3, 5, 101, 12829

Why are those the prime factors of the number 233,231,220?

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 233,231,220

233,231,220
Factor Arrows
2116,615,610
Factor Arrows
258,307,805
Factor Arrows
319,435,935
Factor Arrows
36,478,645
Factor Arrows
51,295,729
Factor Arrows
10112,829

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, 3, 5, 101, 12829

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 5 x 101 x 12,829 = 233,231,220

This can also be written as 22 x 32 x 51 x 1011 x 12,8291 = 233,231,220

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


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