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| 18: | 2 | 3 | 3 | |
| 42: | 2 | 3 | 7 | |
| GCF: | 2 | 3 |
The Greates Common Factor (GCF) is: 2 x 3 = 6
| Greatest Common Factor (GCF) of 9001 and 60 | | Greatest Common Factor (GCF) of 9001 and 37 | | Greatest Common Factor (GCF) of 2222222 and 15 | | Greatest Common Factor (GCF) of 22222 and 2 | | Greatest Common Factor (GCF) of 122 and 189 | | Greatest Common Factor (GCF) of 180 and 216 | | Greatest Common Factor (GCF) of 54 and 72 | | Greatest Common Factor (GCF) of 300 and 375 | | Greatest Common Factor (GCF) of 9 and 7 | | Greatest Common Factor (GCF) of 615 and 420 | | Greatest Common Factor (GCF) of 225 and 420 | | Greatest Common Factor (GCF) of 54 and 2 | | Greatest Common Factor (GCF) of 16 and 81 | | Greatest Common Factor (GCF) of 52 and 39 | | Greatest Common Factor (GCF) of 3 and 13 | | Greatest Common Factor (GCF) of 20 and 25 | | Greatest Common Factor (GCF) of 9 and 6 | | Greatest Common Factor (GCF) of 11 and 8 | | Greatest Common Factor (GCF) of 11 and 6 | | Greatest Common Factor (GCF) of 25 and 10 | | Greatest Common Factor (GCF) of 34 and 2 | | Greatest Common Factor (GCF) of 11 and 3 | | Greatest Common Factor (GCF) of 17 and 5 | | Greatest Common Factor (GCF) of 24 and 30 | | Greatest Common Factor (GCF) of 56 and 15 | | Greatest Common Factor (GCF) of 4 and 2 | | Greatest Common Factor (GCF) of 15 and 10 | | Greatest Common Factor (GCF) of 55 and 24 | | Greatest Common Factor (GCF) of 25 and 9 | | Greatest Common Factor (GCF) of 54 and 47 | | Greatest Common Factor (GCF) of 36 and 48 | | Greatest Common Factor (GCF) of 36 and 12 |