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| 4: | 2 | 2 | |
| 12: | 2 | 2 | 3 |
| GCF: | 2 | 2 |
The Greates Common Factor (GCF) is: 2 x 2 = 4
| Greatest Common Factor (GCF) of 8 and 28 | | Greatest Common Factor (GCF) of 18 and 20 | | Greatest Common Factor (GCF) of 28 and 24 | | Greatest Common Factor (GCF) of 8 and 20 | | Greatest Common Factor (GCF) of 8 and 12 | | Greatest Common Factor (GCF) of 16 and 12 | | Greatest Common Factor (GCF) of 5 and 6 | | Greatest Common Factor (GCF) of 13 and 11 | | Greatest Common Factor (GCF) of 13 and 6 | | Greatest Common Factor (GCF) of 15 and 13 | | Greatest Common Factor (GCF) of 20 and 16 | | Greatest Common Factor (GCF) of 6 and 8 | | Greatest Common Factor (GCF) of 13 and 15 | | Greatest Common Factor (GCF) of 6 and 4 | | Greatest Common Factor (GCF) of 25 and 15 | | Greatest Common Factor (GCF) of 100 and 140 | | Greatest Common Factor (GCF) of 32 and 64 | | Greatest Common Factor (GCF) of 19 and 25 | | Greatest Common Factor (GCF) of 11 and 22 | | Greatest Common Factor (GCF) of 30 and 12 | | Greatest Common Factor (GCF) of 28 and 20 | | Greatest Common Factor (GCF) of 12 and 10 | | Greatest Common Factor (GCF) of 8 and 6 | | Greatest Common Factor (GCF) of 14 and 9 | | Greatest Common Factor (GCF) of 35 and 90 | | Greatest Common Factor (GCF) of 17 and 21 | | Greatest Common Factor (GCF) of 54 and 237 | | Greatest Common Factor (GCF) of 168 and 231 | | Greatest Common Factor (GCF) of 215 and 610 | | Greatest Common Factor (GCF) of 105 and 180 | | Greatest Common Factor (GCF) of 400 and 720 | | Greatest Common Factor (GCF) of 153 and 333 |