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| 72: | 2 | 2 | 2 | 3 | 3 | |
| 66: | 2 | 3 | 11 | |||
| GCF: | 2 | 3 |
The Greates Common Factor (GCF) is: 2 x 3 = 6
| Greatest Common Factor (GCF) of 68 and 65 | | Greatest Common Factor (GCF) of 98 and 70 | | Greatest Common Factor (GCF) of 23 and 100 | | Greatest Common Factor (GCF) of 15 and 98 | | Greatest Common Factor (GCF) of 21 and 100 | | Greatest Common Factor (GCF) of 84 and 69 | | Greatest Common Factor (GCF) of 42 and 93 | | Greatest Common Factor (GCF) of 17 and 61 | | Greatest Common Factor (GCF) of 81 and 73 | | Greatest Common Factor (GCF) of 29 and 100 | | Greatest Common Factor (GCF) of 57 and 100 | | Greatest Common Factor (GCF) of 1515 and 10000 | | Greatest Common Factor (GCF) of 1515 and 1000 | | Greatest Common Factor (GCF) of 57 and 133 | | Greatest Common Factor (GCF) of 102 and 34 | | Greatest Common Factor (GCF) of 114 and 38 | | Greatest Common Factor (GCF) of 132 and 88 | | Greatest Common Factor (GCF) of 39 and 83 | | Greatest Common Factor (GCF) of 85 and 98 | | Greatest Common Factor (GCF) of 43 and 420 | | Greatest Common Factor (GCF) of 46 and 50 | | Greatest Common Factor (GCF) of 50 and 16 | | Greatest Common Factor (GCF) of 38 and 8 | | Greatest Common Factor (GCF) of 37 and 34 | | Greatest Common Factor (GCF) of 19 and 15 | | Greatest Common Factor (GCF) of 82 and 7 | | Greatest Common Factor (GCF) of 13 and 45 | | Greatest Common Factor (GCF) of 3 and 38 | | Greatest Common Factor (GCF) of 49 and 37 | | Greatest Common Factor (GCF) of 720 and 900 | | Greatest Common Factor (GCF) of 6 and 35 | | Greatest Common Factor (GCF) of 72 and 21 |