Correct option is B
Given:
The numbers 324 and 144.
The numbers 324 and 144.
Formula Used:
Prime factorization of each number and the common factors.
Prime factorization of each number and the common factors.
Solution:
Prime factorization of 324:
Prime factorization of 324:
Prime factorization of 144:
The common factors are the minimum powers of the common prime factors:
For 2, the minimum power is
For 3, the minimum power is .
For 3, the minimum power is .
GCD =
Thus, the correct answer is (b).
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