What is the greatest common divisor (GCD) of 12 and 18?

Quiz Options

• 2
• 3
• 6
• 12

Explanation

The divisors of 12 are 1, 2, 3, 4, 6, 12. The divisors of 18 are 1, 2, 3, 6, 9, 18. The greatest common divisor is 6.