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| 42: | 2 | 3 | 7 | |
| 28: | 2 | 2 | 7 | |
| GCF: | 2 | 7 |
The Greates Common Factor (GCF) is: 2 x 7 = 14
| Greatest Common Factor (GCF) of 60 and 18 | | Greatest Common Factor (GCF) of 23 and 50 | | Greatest Common Factor (GCF) of 70 and 210 | | Greatest Common Factor (GCF) of 54 and 90 | | Greatest Common Factor (GCF) of 52 and 117 | | Greatest Common Factor (GCF) of 69 and 115 | | Greatest Common Factor (GCF) of 111 and 74 | | Greatest Common Factor (GCF) of 24 and 78 | | Greatest Common Factor (GCF) of 42 and 98 | | Greatest Common Factor (GCF) of 44 and 99 | | Greatest Common Factor (GCF) of 85 and 35 | | Greatest Common Factor (GCF) of 87 and 29 | | Greatest Common Factor (GCF) of 108 and 18 | | Greatest Common Factor (GCF) of 342 and 380 | | Greatest Common Factor (GCF) of 22 and 242 | | Greatest Common Factor (GCF) of 6 and 56 | | Greatest Common Factor (GCF) of 13 and 3 | | Greatest Common Factor (GCF) of 281 and 60 | | Greatest Common Factor (GCF) of 68 and 34 | | Greatest Common Factor (GCF) of 90 and 42 | | Greatest Common Factor (GCF) of 45 and 56 | | Greatest Common Factor (GCF) of 40 and 68 | | Greatest Common Factor (GCF) of 28 and 45 | | Greatest Common Factor (GCF) of 78 and 24 | | Greatest Common Factor (GCF) of 64 and 78 | | Greatest Common Factor (GCF) of 28 and 108 | | Greatest Common Factor (GCF) of 28 and 72 | | Greatest Common Factor (GCF) of 425 and 68 | | Greatest Common Factor (GCF) of 99 and 121 | | Greatest Common Factor (GCF) of 39 and 69 | | Greatest Common Factor (GCF) of 40 and 3 | | Greatest Common Factor (GCF) of 24 and 66 |