rm + 3rp = r*(m + 3p).
However, this will not be the case in gcf if m and 3p have a factor in common. Whether or not that is the case depends on information which is not provided.
0.3 M
1958 :) RM Tancontian
=(3x) * (x^3+4x^2+9)
The GCF is 20.
The GCF is 3.
The GCF is 2.
The GCF is y4z.
The GCF is 3.
The GCF is 3.
The GCF is 6.
The GCF is 6.
The GCF is 11.