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| 80: | 2 | 2 | 2 | 2 | 5 | ||
| 72: | 2 | 2 | 2 | 3 | 3 | ||
| GCF: | 2 | 2 | 2 |
The Greates Common Factor (GCF) is: 2 x 2 x 2 = 8
| Greatest Common Factor (GCF) of 70 and 63 | | Greatest Common Factor (GCF) of 27 and 81 | | Greatest Common Factor (GCF) of 18 and 8 | | Greatest Common Factor (GCF) of 108 and 84 | | Greatest Common Factor (GCF) of 48 and 78 | | Greatest Common Factor (GCF) of 8 and 42 | | Greatest Common Factor (GCF) of 28 and 32 | | Greatest Common Factor (GCF) of 63 and 27 | | Greatest Common Factor (GCF) of 54 and 36 | | Greatest Common Factor (GCF) of 49 and 56 | | Greatest Common Factor (GCF) of 9 and 21 | | Greatest Common Factor (GCF) of 80 and 40 | | Greatest Common Factor (GCF) of 48 and 75 | | Greatest Common Factor (GCF) of 90 and 51 | | Greatest Common Factor (GCF) of 72 and 75 | | Greatest Common Factor (GCF) of 91 and 156 | | Greatest Common Factor (GCF) of 9 and 54 | | Greatest Common Factor (GCF) of 81 and 108 | | Greatest Common Factor (GCF) of 8 and 26 | | Greatest Common Factor (GCF) of 35 and 56 | | Greatest Common Factor (GCF) of 6 and 16 | | Greatest Common Factor (GCF) of 13 and 9 | | Greatest Common Factor (GCF) of 5 and 8 | | Greatest Common Factor (GCF) of 84 and 100 | | Greatest Common Factor (GCF) of 28 and 300 | | Greatest Common Factor (GCF) of 34 and 900 | | Greatest Common Factor (GCF) of 55 and 121 | | Greatest Common Factor (GCF) of 20 and 161 | | Greatest Common Factor (GCF) of 26 and 90 | | Greatest Common Factor (GCF) of 76 and 4 | | Greatest Common Factor (GCF) of 71 and 15 | | Greatest Common Factor (GCF) of 61 and 18 |