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| 18: | 2 | 3 | 3 | |
| 153: | 3 | 3 | 17 | |
| GCF: | 3 | 3 |
The Greates Common Factor (GCF) is: 3 x 3 = 9
| Greatest Common Factor (GCF) of 77 and 119 | | Greatest Common Factor (GCF) of 65 and 99 | | Greatest Common Factor (GCF) of 488 and 88 | | Greatest Common Factor (GCF) of 45 and 162 | | Greatest Common Factor (GCF) of 290 and 600 | | Greatest Common Factor (GCF) of 117 and 180 | | Greatest Common Factor (GCF) of 105 and 112 | | Greatest Common Factor (GCF) of 56 and 119 | | Greatest Common Factor (GCF) of 189 and 63 | | Greatest Common Factor (GCF) of 39 and 15 | | Greatest Common Factor (GCF) of 105 and 20 | | Greatest Common Factor (GCF) of 324 and 240 | | Greatest Common Factor (GCF) of 33 and 78 | | Greatest Common Factor (GCF) of 135 and 450 | | Greatest Common Factor (GCF) of 23 and 230 | | Greatest Common Factor (GCF) of 21 and 106 | | Greatest Common Factor (GCF) of 8671 and 5239 | | Greatest Common Factor (GCF) of 49 and 162 | | Greatest Common Factor (GCF) of 56 and 324 | | Greatest Common Factor (GCF) of 6919 and 2431 | | Greatest Common Factor (GCF) of 171 and 50 | | Greatest Common Factor (GCF) of 392 and 648 | | Greatest Common Factor (GCF) of 1485 and 2310 | | Greatest Common Factor (GCF) of 35 and 80 | | Greatest Common Factor (GCF) of 36 and 132 | | Greatest Common Factor (GCF) of 220 and 156 | | Greatest Common Factor (GCF) of 37 and 97 | | Greatest Common Factor (GCF) of 6545 and 28101 | | Greatest Common Factor (GCF) of 68 and 97 | | Greatest Common Factor (GCF) of 42 and 19 | | Greatest Common Factor (GCF) of 31 and 81 | | Greatest Common Factor (GCF) of 147 and 175 |