What is the greatest common factor of 108 and 132?

1 Answer
MeneerNask
Oct 15, 2016

Factorize both to their prime factors.

Explanation:

#108=2xx2xx3xx3xx3#
#132=2xx2xx3xx11#

Take the factors occurring in both of them:
GCF #=2xx2xx3=12#

Check your answer:
#108div12=9=3xx3#
#132div12=11#
And these two have no factors in common.

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