Find the GCF of the numbers using an appropriate method.Explain your reasoning.


240; 10,000 and 4500

240 = 5*2*6*4 = 2^4*3*5

10,000 = (2*5)^4 = 2^4*5^4
4500 = 15*3*(2*5)^2 = 2^2*3^2*5^3

The greatest common factor is
2^2*5 = 20