Since 37 is a Prime number, the GCF is 1
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The GCF is 11.
Factors of 77: 1, 7, 11, 77Factors of 112: 1, 2, 4, 7, 8, 14, 16, 28, 56, 112GCF (77, 112) = 7
The GCF of 132 and 198 is 66. The factors of 132 are 2x66=2x2x3x11, The factors of 198 are 198= 3x66=2x11x3x3 The GCF is 66.
It is: 11
The greatest common factor of 22 , 66 , 77 = 11