The GCF is 6.
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The GCF is 18.
The GCF of 30, 90, and 120 is 30.
The Greatest Common Factor (GCF) of 90, 120, and 252 is 6.
The GCF of 90 150 and 120 is 30. This leaves you with 3, 5 and 4. There are no further common factors between the 3 remaining numbers.
Greatest common factor of 18 36 and 90 is 18.