Find the greatest common factor of the

following monomials:

12b 40b4

4b

Step-by-step explanation:

The GCF is the largest number that will multiply into each term. It can be both numbers and letters.

12b = 2*2*3*b and 40b^4 = 2*2*2*5*b*b*b*b has GCF 2*2*b = 4b