24∣2 12∣2 6 ∣2 3 ∣3 1 24 = 2 3 ∗ 3 54∣2 27∣3 9 ∣3 3 ∣3 1 54 = 2 ∗ 3 3 G . C . M ( 27 ; 54 ) = 2 ∗ 3 = 6
The greatest common factor of 24 and 54 is 6. This can be determined either by listing the common factors or by using prime factorization. Both methods confirm that 6 is the largest number that divides both 24 and 54 evenly.
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