Question

The hcf of 72,81and 99 is

Answer 1

Step-by-step explanation:

72=2×2×2×3×3

81=3×3×3×3

99=3×3×11

so hcf of 72, 81 , 99 is 3×3=9

Answer 2

Step-by-step explanation:

For 72, 81, and 99 those factors look like this: Factors for 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. Factors for 81: 1, 3, 9, 27, and 81. Factors for 99: 1, 3, 9, 11, 33, and 99.