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| 56: | 2 | 2 | 2 | 7 | |
| 280: | 2 | 2 | 2 | 5 | 7 |
| GCF: | 2 | 2 | 2 | 7 |
The Greates Common Factor (GCF) is: 2 x 2 x 2 x 7 = 56
| Greatest Common Factor (GCF) of 71 and 39 | | Greatest Common Factor (GCF) of 75 and 93 | | Greatest Common Factor (GCF) of 78 and 92 | | Greatest Common Factor (GCF) of 247 and 400 | | Greatest Common Factor (GCF) of 12 and 70 | | Greatest Common Factor (GCF) of 42 and 10 | | Greatest Common Factor (GCF) of 48 and 53 | | Greatest Common Factor (GCF) of 98 and 29 | | Greatest Common Factor (GCF) of 2 and 49 | | Greatest Common Factor (GCF) of 81 and 104 | | Greatest Common Factor (GCF) of 68 and 35 | | Greatest Common Factor (GCF) of 14 and 221 | | Greatest Common Factor (GCF) of 20 and 61 | | Greatest Common Factor (GCF) of 128 and 192 | | Greatest Common Factor (GCF) of 13 and 42 | | Greatest Common Factor (GCF) of 59 and 19 | | Greatest Common Factor (GCF) of 270 and 42 | | Greatest Common Factor (GCF) of 1182 and 2758 | | Greatest Common Factor (GCF) of 291 and 427 | | Greatest Common Factor (GCF) of 183 and 427 | | Greatest Common Factor (GCF) of 161 and 56 | | Greatest Common Factor (GCF) of 31 and 64 | | Greatest Common Factor (GCF) of 97 and 84 | | Greatest Common Factor (GCF) of 39 and 9 | | Greatest Common Factor (GCF) of 58 and 52 | | Greatest Common Factor (GCF) of 144 and 600 | | Greatest Common Factor (GCF) of 54 and 102 | | Greatest Common Factor (GCF) of 4 and 80 | | Greatest Common Factor (GCF) of 175 and 24 | | Greatest Common Factor (GCF) of 300 and 32 | | Greatest Common Factor (GCF) of 450 and 8 | | Greatest Common Factor (GCF) of 7777777 and 29873 |