The GCF is 4.
The GCF is 9.
1000
There are 1000 litres in one kilolitre. Therefore, 2 kilolitres 972 litres is equal to (2 x 1000) + 972 = 2972 litres.
The GCF is 1000.
Using 1000 would be easiest.
The GCF is 125.
The GCF is 2.
The GCF is 100.
The GCF is 1.
The GCF is 2.
The GCF is 4.
The GCF is 1.