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28 = 2 x 2 x 7 52 = 2 x 2 x 13 54 = 2 x 3 x 3 x 3 ---------------------- The GCF of 28,52,54 is: 2 Note: Since 52 and 54 are only 2 apart, the greatest possible common factor is 2.

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16y ago

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