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| 40: | 2 | 2 | 2 | 5 | ||
| 78: | 2 | 3 | 13 | |||
| GCF: | 2 |
The Greates Common Factor (GCF) is: 2
| Greatest Common Factor (GCF) of 18 and 138 | | Greatest Common Factor (GCF) of 60 and 95 | | Greatest Common Factor (GCF) of 50 and 85 | | Greatest Common Factor (GCF) of 26 and 58 | | Greatest Common Factor (GCF) of 39 and 81 | | Greatest Common Factor (GCF) of 8 and 30 | | Greatest Common Factor (GCF) of 7 and 45 | | Greatest Common Factor (GCF) of 16 and 26 | | Greatest Common Factor (GCF) of 99 and 63 | | Greatest Common Factor (GCF) of 29 and 58 | | Greatest Common Factor (GCF) of 65 and 25 | | Greatest Common Factor (GCF) of 77 and 71 | | Greatest Common Factor (GCF) of 36 and 180 | | Greatest Common Factor (GCF) of 82 and 41 | | Greatest Common Factor (GCF) of 24 and 35 | | Greatest Common Factor (GCF) of 49 and 72 | | Greatest Common Factor (GCF) of 21 and 32 | | Greatest Common Factor (GCF) of 63 and 772 | | Greatest Common Factor (GCF) of 20 and 44 | | Greatest Common Factor (GCF) of 75 and 72 | | Greatest Common Factor (GCF) of 13 and 90 | | Greatest Common Factor (GCF) of 168 and 180 | | Greatest Common Factor (GCF) of 33 and 165 | | Greatest Common Factor (GCF) of 34 and 66 | | Greatest Common Factor (GCF) of 256 and 400 | | Greatest Common Factor (GCF) of 102 and 42 | | Greatest Common Factor (GCF) of 30 and 400 | | Greatest Common Factor (GCF) of 22 and 85 | | Greatest Common Factor (GCF) of 45 and 32 | | Greatest Common Factor (GCF) of 45 and 605 | | Greatest Common Factor (GCF) of 40 and 217 | | Greatest Common Factor (GCF) of 143 and 110 |