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| 66: | 2 | 3 | 11 | |
| 77: | 7 | 11 | ||
| GCF: | 11 |
The Greates Common Factor (GCF) is: 11
| Greatest Common Factor (GCF) of 12000 and 6 | | Greatest Common Factor (GCF) of 81 and 7 | | Greatest Common Factor (GCF) of 140 and 2856 | | Greatest Common Factor (GCF) of 48 and 390 | | Greatest Common Factor (GCF) of 300 and 390 | | Greatest Common Factor (GCF) of 30 and 39 | | Greatest Common Factor (GCF) of 5 and 21 | | Greatest Common Factor (GCF) of 21 and 80 | | Greatest Common Factor (GCF) of 26 and 28 | | Greatest Common Factor (GCF) of 1000 and 105 | | Greatest Common Factor (GCF) of 105 and 1000 | | Greatest Common Factor (GCF) of 70 and 35 | | Greatest Common Factor (GCF) of 66 and 9 | | Greatest Common Factor (GCF) of 17 and 78 | | Greatest Common Factor (GCF) of 51 and 13 | | Greatest Common Factor (GCF) of 77 and 35 | | Greatest Common Factor (GCF) of 10 and 77 | | Greatest Common Factor (GCF) of 7 and 49 | | Greatest Common Factor (GCF) of 70 and 10 | | Greatest Common Factor (GCF) of 63 and 55 | | Greatest Common Factor (GCF) of 80 and 10 | | Greatest Common Factor (GCF) of 90 and 12 | | Greatest Common Factor (GCF) of 85 and 42 | | Greatest Common Factor (GCF) of 91 and 38 | | Greatest Common Factor (GCF) of 49 and 144 | | Greatest Common Factor (GCF) of 64 and 100 | | Greatest Common Factor (GCF) of 144 and 24 | | Greatest Common Factor (GCF) of 84 and 120 | | Greatest Common Factor (GCF) of 42 and 46 | | Greatest Common Factor (GCF) of 98 and 105 | | Greatest Common Factor (GCF) of 1225 and 630 | | Greatest Common Factor (GCF) of 17 and 102 |