LCM(56, 84) = 168
GCF(56, 84) = 28
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The GCF is: 8The LCM is: 112
The GCF is 28.
2 x 2 x 2 x 7 = 56 2 x 2 x 3 x 7 = 84 2 x 2 x 7 = 28, the GCF 2 x 2 x 2 x 3 x 7 = 168, the LCM Check it. 56 x 84 = 4704 28 x 168 = 4704 It checks.
2184
The GCF is 6.