What is the greatest common divisor (GCD) of 72 and 108?
✓ Correct Answer: Option D
Prime factorization: 72 = 2³ × 3² and 108 = 2² × 3³. The GCD is found by taking the lowest power of common prime factors: 2² × 3² = 4 × 9 = 36.
Prime factorization: 72 = 2³ × 3² and 108 = 2² × 3³. The GCD is found by taking the lowest power of common prime factors: 2² × 3² = 4 × 9 = 36.