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| 66: | 2 | 3 | 11 | |
| 78: | 2 | 3 | 13 | |
| GCF: | 2 | 3 |
The Greates Common Factor (GCF) is: 2 x 3 = 6
| Greatest Common Factor (GCF) of 82 and 46 | | Greatest Common Factor (GCF) of 76 and 82 | | Greatest Common Factor (GCF) of 1 and 1400 | | Greatest Common Factor (GCF) of 2 and 4263 | | Greatest Common Factor (GCF) of 6 and 11600 | | Greatest Common Factor (GCF) of 54 and 96 | | Greatest Common Factor (GCF) of 12 and 100 | | Greatest Common Factor (GCF) of 66 and 20 | | Greatest Common Factor (GCF) of 15 and 3589 | | Greatest Common Factor (GCF) of 15 and 6615 | | Greatest Common Factor (GCF) of 15 and 59535 | | Greatest Common Factor (GCF) of 15 and 7 | | Greatest Common Factor (GCF) of 15 and 189 | | Greatest Common Factor (GCF) of 15 and 210 | | Greatest Common Factor (GCF) of 15 and 59 | | Greatest Common Factor (GCF) of 15 and 1488375 | | Greatest Common Factor (GCF) of 15 and 15001 | | Greatest Common Factor (GCF) of 15 and 161638 | | Greatest Common Factor (GCF) of 15 and 14175 | | Greatest Common Factor (GCF) of 15 and 2205 | | Greatest Common Factor (GCF) of 115 and 23 | | Greatest Common Factor (GCF) of 16 and 256 | | Greatest Common Factor (GCF) of 21 and 644 | | Greatest Common Factor (GCF) of 231 and 385 | | Greatest Common Factor (GCF) of 189 and 210 | | Greatest Common Factor (GCF) of 14 and 89 | | Greatest Common Factor (GCF) of 62 and 98 | | Greatest Common Factor (GCF) of 60 and 15 | | Greatest Common Factor (GCF) of 68 and 24 | | Greatest Common Factor (GCF) of 32 and 2 | | Greatest Common Factor (GCF) of 15 and 29 | | Greatest Common Factor (GCF) of 99 and 132 |