Since 9 is a factor of 126, it is automatically the GCF.
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Alright, listen up buttercup. The greatest common factor of 27, 45, 108, and 126 is 9. That's the big boss number that can divide all those numbers without any leftovers. So, there you have it, the GCF is 9.
The greatest common factor is 9
126 = 2 * 3 * 3 * 7 45 = 3 * 3 * 5 So their GCF is 3 * 3 = 9
The GCF is 9.
Greatest common factor of 27 45 and 126 is 9.