9 and 90 18 and 81 27 and 72 36 and 63 45 and 54
GCF(90, 63) = 9
The GCF is 45.
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99.
The GCF is 5.
GCF(60, 45, 90) = 15
The GCF is 3.
The GCF is 9.
45 is the greatest common factor of 90 and 135.The GCF is 45.
GCF = 45
The GCF is: 45
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108Multiples of 27 in bold.