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Since 10 is a factor of 30, it is automatically the GCF.
The GCF is 6.
The GCF is 15.
The GCF is 2. The LCM is 40.
12(10 - 3)
prime
The GCF is 10.
3
The GCF is 30.
The GCF is 2.
It is 5
The answer is 5
5
1,2,6,12