Q: What are the prime factors of the number 233,421,232?

 A: 2, 11, 19, 29, 83

Why are those the prime factors of the number 233,421,232?

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 233,421,232

233,421,232
Factor Arrows
2116,710,616
Factor Arrows
258,355,308
Factor Arrows
229,177,654
Factor Arrows
214,588,827
Factor Arrows
111,326,257
Factor Arrows
1969,803
Factor Arrows
292,407
Factor Arrows
2983

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, 19, 29, 83

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11 x 19 x 29 x 29 x 83 = 233,421,232

This can also be written as 24 x 111 x 191 x 292 x 831 = 233,421,232

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


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