To find the GCMF (greatest common monomial factor) of two monomials M and N:

- Find the monomial with the greatest degree and the greatest positive coefficient which is a common factor of both M and N.
- This monomial is the GCMF [M,N]

Source

Example:

First, find the GCF [12, 16]

Now try the following:

Answer:

First, find the GCF [25, 15]

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