The factors for 18 are 1, 2, 3, 6, 9, and 18. The factors for 81 are 1, 3, 9, 27, and 81. Therefore the GCF (Greatest Common Factor) is 9 since it is the greatest number they both share.
The greatest common factor of 36, 81 and 18 is 9
The GCF is 9.
The GCF is 9.
The GCF is 9.
The GCF is 9.
99
the GCF is 3
The GCF is 9.
9.
9
Factors of 18: 1 2 3 6 9 18 Factors of 81: 1 3 927 81 The GCF of 18 and 81 is 9.
The GCF is 9.