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| 90: | 2 | 3 | 3 | 5 | |
| 42: | 2 | 3 | 7 | ||
| GCF: | 2 | 3 |
The Greates Common Factor (GCF) is: 2 x 3 = 6
| Greatest Common Factor (GCF) of 45 and 56 | | Greatest Common Factor (GCF) of 40 and 68 | | Greatest Common Factor (GCF) of 28 and 45 | | Greatest Common Factor (GCF) of 78 and 24 | | Greatest Common Factor (GCF) of 64 and 78 | | Greatest Common Factor (GCF) of 28 and 108 | | Greatest Common Factor (GCF) of 28 and 72 | | Greatest Common Factor (GCF) of 425 and 68 | | Greatest Common Factor (GCF) of 99 and 121 | | Greatest Common Factor (GCF) of 39 and 69 | | Greatest Common Factor (GCF) of 40 and 3 | | Greatest Common Factor (GCF) of 24 and 66 | | Greatest Common Factor (GCF) of 512 and 216 | | Greatest Common Factor (GCF) of 38 and 14 | | Greatest Common Factor (GCF) of 81 and 27 | | Greatest Common Factor (GCF) of 40 and 36 | | Greatest Common Factor (GCF) of 1800 and 6000 | | Greatest Common Factor (GCF) of 648 and 720 | | Greatest Common Factor (GCF) of 400 and 600 | | Greatest Common Factor (GCF) of 120 and 264 | | Greatest Common Factor (GCF) of 37 and 78 | | Greatest Common Factor (GCF) of 8 and 77 | | Greatest Common Factor (GCF) of 36 and 243 | | Greatest Common Factor (GCF) of 24 and 108 | | Greatest Common Factor (GCF) of 27 and 56 | | Greatest Common Factor (GCF) of 108 and 224 | | Greatest Common Factor (GCF) of 81 and 114 | | Greatest Common Factor (GCF) of 7 and 750 | | Greatest Common Factor (GCF) of 90 and 3 | | Greatest Common Factor (GCF) of 47 and 63 | | Greatest Common Factor (GCF) of 65 and 13 | | Greatest Common Factor (GCF) of 4 and 100 |