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The factors of 48 are:
1, 2, 3, 4, 6, 8, 12, 16, 24, 48
The factors of 84 are:
1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
The common factors are:
1, 2, 3, 4, 6, 12
The Greatest Common Factor:
GCF = 12
GCF(48, 84) = 12
48 = 12*4
84 = 12*7
So 12 is a common factor and
since 4 and 7 are coprime, there is no higher common factor.
The GCF is 12.
The GCF is 6.
The GCF is 2.
The GCF is: 12.
The GCF of 96 and 48 is 48. The GCF of 84 and 12 is 12.
The GCF is 1.