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Anonymous
the GCF for 6 and 9 is 3 because the factors for six are 1,2,3, and 6 and for 9 is 1,3, and 9 . Hope this help and I'm a teacher i teach at killian.
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The GCF is 3.
9, 18, 27, 36, 45, and 54 have a GCF of 9.
6 = 2 x 3 9 = 3 x 3 15 = 3 x 5 GCF = 3