The GCF is: 9
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the greatest common factor for 45 and 27 is 9.
45 = 3 * 3 * 5 63 = 3 * 3 * 7 126 = 2 * 3 * 3 * 7 Gcf = 3 * 3 = 9 45/9 = 5 63 / 9 = 7 126 / 9 = 14
The GCF is 9.
The GCF is: 9
9 18 27 36 45 54 63 72 81 90 99 108 117 126 135 144 153 162