Its GCF can only be 1 because 23 is a Prime number and its LCM is 23*12 = 276
It can be. 69 is the GCF of 138 and 207.
The GCF is 6.
The GCF is 4.
The GCF is 3.
The GCF of 16 and 23 is 1. The LCM is their product: 368.
The LCM is: 36
LCM = 12
The GCF is 3.
The GCF is 3.
36
It is: 84
420