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| 138: | 2 | 3 | 23 | |
| 207: | 3 | 3 | 23 | |
| GCF: | 3 | 23 |
The Greates Common Factor (GCF) is: 3 x 23 = 69
| Greatest Common Factor (GCF) of 624 and 2475 | | Greatest Common Factor (GCF) of 1558 and 3118 | | Greatest Common Factor (GCF) of 155 and 312 | | Greatest Common Factor (GCF) of 153 and 308 | | Greatest Common Factor (GCF) of 211 and 28 | | Greatest Common Factor (GCF) of 864 and 252 | | Greatest Common Factor (GCF) of 6 and 1600 | | Greatest Common Factor (GCF) of 563 and 7 | | Greatest Common Factor (GCF) of 20 and 5400 | | Greatest Common Factor (GCF) of 4530 and 75 | | Greatest Common Factor (GCF) of 147231 and 273 | | Greatest Common Factor (GCF) of 8498 and 112 | | Greatest Common Factor (GCF) of 4266 and 78 | | Greatest Common Factor (GCF) of 4025 and 999 | | Greatest Common Factor (GCF) of 125 and 100000 | | Greatest Common Factor (GCF) of 532 and 999 | | Greatest Common Factor (GCF) of 15 and 279 | | Greatest Common Factor (GCF) of 65 and 114 | | Greatest Common Factor (GCF) of 145698 and 2564 | | Greatest Common Factor (GCF) of 98 and 202 | | Greatest Common Factor (GCF) of 84 and 590 | | Greatest Common Factor (GCF) of 5376 and 38144 | | Greatest Common Factor (GCF) of 32 and 249 | | Greatest Common Factor (GCF) of 171 and 192 | | Greatest Common Factor (GCF) of 1794 and 4046 | | Greatest Common Factor (GCF) of 2277 and 495 | | Greatest Common Factor (GCF) of 210 and 86 | | Greatest Common Factor (GCF) of 4 and 589 | | Greatest Common Factor (GCF) of 500 and 105000 | | Greatest Common Factor (GCF) of 28 and 155 | | Greatest Common Factor (GCF) of 156 and 8 | | Greatest Common Factor (GCF) of 156 and 8 |