Which of these is an example of the Euclidean algorithm to find GCD(20,8)\text{GCD}(20, 8)GCD(20,8)?
20=2×8+420 = 2 \times 8 + 420=2×8+4 then 8=2×4+08 = 2 \times 4 + 08=2×4+0
20=8+1220 = 8 + 1220=8+12
20/8=2.520/8 = 2.520/8=2.5
8=20−128 = 20 - 128=20−12