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Number Theory
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What is the greatest common divisor (GCD) of 18 and 24?
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A
6
💡 Explanation:
The GCD of 18 and 24 is the largest positive integer that divides both numbers without leaving a remainder. By finding the prime factorization of each number, we have 18 = 2 * 3^2 and 24 = 2^3 * 3. The GCD is the product of the common prime factors raised to their lowest powers, which is 2 * 3 = 6.