Question

The H.C.F. of 7, 8, 9 is

• A. 9
• B. 7
• C. 1
• D. 2

Answer 1

The Correct Option is C

Step 1: Find the factors of each number.
Factors of 7: 1, 7
Factors of 8: 1, 2, 4, 8
Factors of 9: 1, 3, 9

Step 2: Identify the common factor(s).
The only common factor among all three numbers is 1.

Step 3: So, the H.C.F. (Highest Common Factor) of 7, 8, and 9 is 1.

The correct option is (C): 1