The GCF is 1.
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The greatest common factor of 54 , 90 = 18
The greatest common factor of 54 and 46 is 2.
The greatest common factor of 21 and 54 is 3. The greatest common factor is the highest number that divides exactly into two or more numbers. factors of 21: 1, 3, 7, 21 factors of 54: 1, 2, 3, 6, 9, 18, 27, 54 The greatest common factor of 21 and 54 is 3.
The Greatest Common Factor (GCF) is: 1
The greatest common factor of 54 and 100 is 2.