What Is The Greatest Commom Factor Of 28 And 72
28 has factors 1 2 4 7 14 28
72 1 2 3 4 6 8 9 12 16 18 24 36 72
GCF is 4
28 = 1 x 2 x 2 x 7
72 = 1 x 2 x 2 x 2 x 3 x 3 common factors 1 2 x 2 = 4
28 = \(2^2 \times 7\)
72 = \(2^3 \times 3^2 = 2^2 \times 2 \times 3^2\)
Therefore GCF = \(2^2\) = 4
Same as EP's answer
+37084 
