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| 12: | 2 | 2 | 3 | |
| 42: | 2 | 3 | 7 | |
| GCF: | 2 | 3 |
The Greates Common Factor (GCF) is: 2 x 3 = 6
| Greatest Common Factor (GCF) of 10000 and 16 | | Greatest Common Factor (GCF) of 10000 and 144 | | Greatest Common Factor (GCF) of 1000 and 144 | | Greatest Common Factor (GCF) of 100 and 28 | | Greatest Common Factor (GCF) of 8 and 44 | | Greatest Common Factor (GCF) of 22 and 48 | | Greatest Common Factor (GCF) of 24 and 39 | | Greatest Common Factor (GCF) of 25 and 33 | | Greatest Common Factor (GCF) of 453 and 223 | | Greatest Common Factor (GCF) of 105 and 147 | | Greatest Common Factor (GCF) of 270 and 80 | | Greatest Common Factor (GCF) of 128 and 64 | | Greatest Common Factor (GCF) of 18 and 7 | | Greatest Common Factor (GCF) of 41 and 32 | | Greatest Common Factor (GCF) of 70 and 25 | | Greatest Common Factor (GCF) of 81 and 90 | | Greatest Common Factor (GCF) of 4 and 42 | | Greatest Common Factor (GCF) of 72 and 20 | | Greatest Common Factor (GCF) of 21 and 78 | | Greatest Common Factor (GCF) of 72 and 80 | | Greatest Common Factor (GCF) of 84 and 10 | | Greatest Common Factor (GCF) of 14 and 45 | | Greatest Common Factor (GCF) of 72 and 3 | | Greatest Common Factor (GCF) of 45 and 10 | | Greatest Common Factor (GCF) of 66 and 33 | | Greatest Common Factor (GCF) of 95 and 57 | | Greatest Common Factor (GCF) of 73 and 28 | | Greatest Common Factor (GCF) of 100 and 250 | | Greatest Common Factor (GCF) of 44 and 96 | | Greatest Common Factor (GCF) of 48 and 144 | | Greatest Common Factor (GCF) of 12 and 76 | | Greatest Common Factor (GCF) of 16 and 140 |