If that's really 4270 and 84, the GCF is 14 and the LCM is 25620. If that's 42, 70 and 84, the GCF is 14 and the LCM is 420.
The GCF is 6.
The GCF is 7.
The GCF is 21.
You need at least two numbers to find a GCF. If that's 42, 70 and 84, the GCF is 14.
It is: 14
If that's really 4270 and 84, the GCF is 14 and the LCM is 25620. If that's 42, 70 and 84, the GCF is 14 and the LCM is 420.
The GCF is 14.
The GCF is 42.
The GCF is 14.
The GCF is 42.
The GCF of 42 and 84 is 42.
The GCF is 7.7 is the GCF of 42, 49 and 84.
The GCF is 6.
The GCF is 14.
The GCF is: 14
The GCF is 6.