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GCF of 28 42 and 56 is 14.
The GCF is 14.

(28 = 2 x 14, 42 = 3 x 14, 56 = 4 x 14)

To find the GCF, factor the numbers and multiply their common prime factors:

28 = 2 x 2 x 7

42 = 2 x 3 x 7

56 = 2 x 2 x 2 x 7

Common factors are 2 x 7 = 14

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13y ago

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