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The GCF is 1.
It is just 1
The greatest common factor of 133 and 203 is 7
The GCF is 9.
gcf(133, 140) = 7
...243
The GCF is 3.
The GCF is 7.
GCF(133, 228) = 19.
The GCF is: 27
The GCF is 81.
The GCF is: 7