Since 15 is a factor of 45, it is automatically the GCF.
The GCF of 30 and 45 is 15
The GCF is 1.
The GCF is 30.
The GCF is 30.
The GCF is: 1
The GCF is 5.
The GCF is 15.
5
The GCF is 9.
The GCF is 5.
The GCF is 9.
The GCF is 1.
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15
GCF: 9 LCM: 180
30/45 = 2/3 in its reduced terms
The GCF is 30.
The GCF is 30.