The LCM is 25200
The GCF is 1.
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Since 15 is a factor of 75, it is automatically the GCF. Since 75 is a multiple of 15, it is automatically the LCM.
The GCF is 3.
The GCF is 15.
The LCM is: 825The GCF is: 5
The greatest common factor of 63 and 195 is 3.