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The greatest common factor of 30 and 54 is 6.

The greatest common factor is the highest number that divides exactly into two or more numbers.

30: 1, 2, 3, 5, 6, 10, 15, 30

54: 1, 2, 3, 6, 9, 18, 27, 54

The greatest common factor of 30 and 54 is is 6.

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8y ago

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