How do you write the prime factorization of 81?

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Nov 26, 2017

Answer:

#3xx3xx3xx3#

Explanation:

Prime factorization is where we take a number, such as 81, and break it down into its prime factors.

For instance, #9xx9=81#.

9 is a factor of 81. But 9 isn't prime. #3xx3=9#. 3 is prime.

And so we can use that to rewrite what we started with:

#9xx9=color(red)(3xx3xx3xx3)=81#

The red is the prime factorization.

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