The greatest common factor of the numbers 144 and 84 is 12.
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The GCF is: 12
The GCF is 7.
The GCF of 84 and 144 is 12. You must do the prime factorization of each number. The prime factorization of 144 is 2 to the fourth power times 3 squared. The prime factorization of 84 is 2 squared times 7 times 3. You take the least of each common factor which would be 2 squared and 3. Two squared equals 4 and 4 times 3 equals 12, so the GCF is 12.
The GCF is 1.
The GCF is 6.