6 Answers

Check out my Math Variety blog posts on prime factorization for an explanation of this concept, practice problems, and solutions. Click on ads/links of interest:
http://mathvariety.blogspot.com/2009/04/primefact…
http://mathvariety.blogspot.com/2009/05/primefact…
http://mathvariety.blogspot.com/2009/05/primefact…
I also have an eHow article titled “How to Do Prime Factorization” at http://www.ehow.com/how_4776386_doprimefactoriza… if you’re interested.
270 is:
27*10
(9*3)*(5*2)
(9)*3*5*2
3*3*3*5*2
2*3*3*3*5 <— answer

Prime Factorization Of 270

First we have 3×90
Then 3×45×2
Then 3×5×9×2
Then 3×5×3×3×2
Finally is 3(to the third power)×2×5
That´s it. Hope I helped you.

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RE:
what is the prime factorization of 270?

45

2x3x3x3x5 or 2x 3 to the 3rd power x 5