The HCF is 18
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It is: 72
The GCF/HCF of 54 and 504 is 18.
The HCF of 48 and 72 is 24. The LCM is 144.
The factors of 144 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144 The factors of 216 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216
The GCF is 18.