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| 78: | 2 | 3 | 13 | |
| 21: | 3 | 7 | ||
| GCF: | 3 |
The Greates Common Factor (GCF) is: 3
| Greatest Common Factor (GCF) of 97 and 80 | | Greatest Common Factor (GCF) of 18 and 93 | | Greatest Common Factor (GCF) of 135 and 60 | | Greatest Common Factor (GCF) of 216 and 108 | | Greatest Common Factor (GCF) of 108 and 162 | | Greatest Common Factor (GCF) of 108 and 192 | | Greatest Common Factor (GCF) of 162 and 108 | | Greatest Common Factor (GCF) of 144 and 121 | | Greatest Common Factor (GCF) of 10 and 70 | | Greatest Common Factor (GCF) of 7 and 11 | | Greatest Common Factor (GCF) of 20 and 23 | | Greatest Common Factor (GCF) of 16 and 9 | | Greatest Common Factor (GCF) of 10 and 200 | | Greatest Common Factor (GCF) of 13 and 19 | | Greatest Common Factor (GCF) of 20 and 38 | | Greatest Common Factor (GCF) of 85 and 56 | | Greatest Common Factor (GCF) of 135 and 243 | | Greatest Common Factor (GCF) of 105 and 225 | | Greatest Common Factor (GCF) of 225 and 1125 | | Greatest Common Factor (GCF) of 225 and 1575 | | Greatest Common Factor (GCF) of 20 and 105 | | Greatest Common Factor (GCF) of 243 and 75 | | Greatest Common Factor (GCF) of 220 and 286 | | Greatest Common Factor (GCF) of 108 and 156 | | Greatest Common Factor (GCF) of 33 and 217 | | Greatest Common Factor (GCF) of 108 and 132 | | Greatest Common Factor (GCF) of 330 and 363 | | Greatest Common Factor (GCF) of 420 and 540 | | Greatest Common Factor (GCF) of 61 and 9 | | Greatest Common Factor (GCF) of 120 and 750 | | Greatest Common Factor (GCF) of 35 and 85 | | Greatest Common Factor (GCF) of 64 and 225 |