The factors of 66 are:
1, 2, 3, 6, 11, 22, 33, 66
The factors of 98 are:
1, 2, 7, 14, 49, 98
The common factors are:
1, 2
The Greatest Common Factor (GCF) is:
2
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Factor them.
2 x 3 x 11 = 66
2 x 2 x 2 x 2 x 2 x 3 = 96
Select the common factors.
2 x 3 = 6, the GCF
The GCF is 6.
The greatest common factor of 66 and 847 is 11.
Since 16 is a factor of 96, it is automatically the GCF.
The GCF of 30 and 66 is 6.
22 is the GCF of 66 and 22.