How do you find the GCF of 66, 90, and 150?

1 Answer
George C.
Jan 12, 2017

#6#

Explanation:

Note that the prime factorisation of #66# is:

#66 = 2*3*11#

Both #90# and #150# are divisible by #2# and by #3#, but not by #11#.

Hence all three numbers are divisible by #2*3 = 6# and nothing larger.

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