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| 12: | 2 | 2 | 3 | ||
| 90: | 2 | 3 | 3 | 5 | |
| GCF: | 2 | 3 |
The Greates Common Factor (GCF) is: 2 x 3 = 6
| Greatest Common Factor (GCF) of 80 and 32 | | Greatest Common Factor (GCF) of 6 and 45 | | Greatest Common Factor (GCF) of 36 and 20 | | Greatest Common Factor (GCF) of 73 and 70 | | Greatest Common Factor (GCF) of 73 and 9 | | Greatest Common Factor (GCF) of 29 and 3 | | Greatest Common Factor (GCF) of 29 and 15 | | Greatest Common Factor (GCF) of 30 and 87 | | Greatest Common Factor (GCF) of 43 and 60 | | Greatest Common Factor (GCF) of 30 and 14 | | Greatest Common Factor (GCF) of 1000 and 2 | | Greatest Common Factor (GCF) of 91 and 15 | | Greatest Common Factor (GCF) of 84 and 36 | | Greatest Common Factor (GCF) of 66 and 41 | | Greatest Common Factor (GCF) of 4 and 60 | | Greatest Common Factor (GCF) of 40 and 86 | | Greatest Common Factor (GCF) of 35 and 77 | | Greatest Common Factor (GCF) of 38 and 45 | | Greatest Common Factor (GCF) of 51 and 91 | | Greatest Common Factor (GCF) of 12 and 500 | | Greatest Common Factor (GCF) of 160 and 900 | | Greatest Common Factor (GCF) of 29 and 87 | | Greatest Common Factor (GCF) of 65 and 39 | | Greatest Common Factor (GCF) of 63 and 135 | | Greatest Common Factor (GCF) of 88 and 240 | | Greatest Common Factor (GCF) of 212 and 312 | | Greatest Common Factor (GCF) of 42 and 184 | | Greatest Common Factor (GCF) of 77280 and 8400 | | Greatest Common Factor (GCF) of 91 and 26 | | Greatest Common Factor (GCF) of 43 and 61 | | Greatest Common Factor (GCF) of 61 and 90 | | Greatest Common Factor (GCF) of 13 and 10 |