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Anonymous
The common factors of both number are: 1, 3 and 9
Wiki User
72
It is: 72
The GCF is 9.
The GCF is 3.
It's 72
LCM = 72 = 2x2x2x3x3 since 8 = 2x2x2 and 9 = 3x3
The GCF of 9 and 15 is 3.