The GCF of 126 and 189 is 63. The easiest way to solve this is by breaking down 126 and 189 into a series of prime numbers multiplied together. 126 = 2*(3^2)*7, and 189 = (3^3)*7 So taking the minimum powers on each side will give you the GCF. Thus GCD(126,189) = (2^0)*(3^2)*(7^1)= 1*9*7 = 63.
The GCF is 126.
The multiples of 9, 14 and 21 are infinite, starting with: 126, 252, 378, 504, 630, 756, 882 +126 . . .
You need at least two numbers to find a GCF.
The GCF is 27.
The GCF is 1.
The GCF is 63.
The GCF is 9.
The GCF is 27.
The GCF of 27 and 189 is 27.
126 + 63=189
The GCF of 63, 84 and 126 is 21. The GCF of 6384 and 126 is 42.