1
Question
Find the GCD:
(2) 9, 12
(2) 9, 12
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Solution
The divisors of 9 are 1, 3 and 9.
The divisors of 12 are 1, 2, 3, 4, 6 and 12.
The common divisors are 1 and 3.
Thus, the GCD or HCF is 3.
The divisors of 12 are 1, 2, 3, 4, 6 and 12.
The common divisors are 1 and 3.
Thus, the GCD or HCF is 3.
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