The GCF of 45 and 3 is 3. The GCF of 45 and 2 is 1.
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45% is greater.
45 and 54
3 x 3 x 5 = 45 2 x 2 x 2 x 7 = 56 No common prime factors; the GCF is 1.
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 2.