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| 81: | 3 | 3 | 3 | 3 | ||
| 66: | 2 | 3 | 11 | |||
| GCF: | 3 |
The Greates Common Factor (GCF) is: 3
| Greatest Common Factor (GCF) of 11 and 56 | | Greatest Common Factor (GCF) of 69 and 18 | | Greatest Common Factor (GCF) of 99 and 9 | | Greatest Common Factor (GCF) of 32 and 20 | | Greatest Common Factor (GCF) of 40 and 15 | | Greatest Common Factor (GCF) of 49 and 14 | | Greatest Common Factor (GCF) of 46 and 70 | | Greatest Common Factor (GCF) of 58 and 30 | | Greatest Common Factor (GCF) of 16 and 125 | | Greatest Common Factor (GCF) of 84 and 52 | | Greatest Common Factor (GCF) of 2025 and 10 | | Greatest Common Factor (GCF) of 18 and 69 | | Greatest Common Factor (GCF) of 72 and 130 | | Greatest Common Factor (GCF) of 14 and 44 | | Greatest Common Factor (GCF) of 84 and 30 | | Greatest Common Factor (GCF) of 77 and 63 | | Greatest Common Factor (GCF) of 64 and 94 | | Greatest Common Factor (GCF) of 17 and 39 | | Greatest Common Factor (GCF) of 97 and 40 | | Greatest Common Factor (GCF) of 138 and 192 | | Greatest Common Factor (GCF) of 117 and 351 | | Greatest Common Factor (GCF) of 36 and 145 | | Greatest Common Factor (GCF) of 12 and 148 | | Greatest Common Factor (GCF) of 38 and 94 | | Greatest Common Factor (GCF) of 12 and 56 | | Greatest Common Factor (GCF) of 40 and 2 | | Greatest Common Factor (GCF) of 240 and 72 | | Greatest Common Factor (GCF) of 35 and 25 | | Greatest Common Factor (GCF) of 277 and 30 | | Greatest Common Factor (GCF) of 69 and 300 | | Greatest Common Factor (GCF) of 240 and 320 | | Greatest Common Factor (GCF) of 12 and 115 |