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| 84: | 2 | 2 | 3 | 7 | |
| 140: | 2 | 2 | 5 | 7 | |
| GCF: | 2 | 2 | 7 |
The Greates Common Factor (GCF) is: 2 x 2 x 7 = 28
| Greatest Common Factor (GCF) of 87 and 72 | | Greatest Common Factor (GCF) of 686 and 252 | | Greatest Common Factor (GCF) of 405 and 100 | | Greatest Common Factor (GCF) of 45 and 96 | | Greatest Common Factor (GCF) of 135 and 36 | | Greatest Common Factor (GCF) of 875 and 180 | | Greatest Common Factor (GCF) of 64 and 82 | | Greatest Common Factor (GCF) of 300 and 237 | | Greatest Common Factor (GCF) of 188 and 8 | | Greatest Common Factor (GCF) of 54 and 7 | | Greatest Common Factor (GCF) of 48 and 11 | | Greatest Common Factor (GCF) of 150 and 15 | | Greatest Common Factor (GCF) of 68 and 5 | | Greatest Common Factor (GCF) of 270 and 95 | | Greatest Common Factor (GCF) of 56 and 18 | | Greatest Common Factor (GCF) of 71 and 1 | | Greatest Common Factor (GCF) of 915 and 1000 | | Greatest Common Factor (GCF) of 915 and 938 | | Greatest Common Factor (GCF) of 224 and 21 | | Greatest Common Factor (GCF) of 2100 and 35 | | Greatest Common Factor (GCF) of 187 and 54 | | Greatest Common Factor (GCF) of 180 and 3 | | Greatest Common Factor (GCF) of 70 and 5 | | Greatest Common Factor (GCF) of 70 and 8 | | Greatest Common Factor (GCF) of 506 and 105 | | Greatest Common Factor (GCF) of 91 and 32 | | Greatest Common Factor (GCF) of 38 and 75 | | Greatest Common Factor (GCF) of 195 and 24 | | Greatest Common Factor (GCF) of 609 and 1071 | | Greatest Common Factor (GCF) of 522 and 1000 | | Greatest Common Factor (GCF) of 1500 and 216 | | Greatest Common Factor (GCF) of 225 and 200 |