What is the greatest common factor of #6a^2b^2c^2d# and #2acd^2#?

1 Answer
EZ as pi
Jul 4, 2016

#2acd#

Explanation:

Ironically it is the lowest index which is the Greatest common factor. (You cannot get more from a term than what is there.)

Make sure that a particular base is in both terms and use the lowest power for the GCF.

#2acd#
There is no #b# factor in the second term, so it cannot be common.

The opposite happens when find the LOWEST common multiple . then it is the HIGHEST power which has to be used, because the LCM has to contain the whole of each term

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