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Anonymous
The GCF is 3.
Wiki User
The GCF is 1.
The GCF is 9.
GCF of 9and 3 = 3Prime factorization of:9 = 3 * 33 = 3========GCF=3
The GCF of 9 and 15 is 3.
It is: 72
180
It is: 36