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| 280: | 2 | 2 | 2 | 5 | 7 | |
| 80: | 2 | 2 | 2 | 2 | 5 | |
| GCF: | 2 | 2 | 2 | 5 |
The Greates Common Factor (GCF) is: 2 x 2 x 2 x 5 = 40
| Greatest Common Factor (GCF) of 104 and 8 | | Greatest Common Factor (GCF) of 200 and 106 | | Greatest Common Factor (GCF) of 30 and 144 | | Greatest Common Factor (GCF) of 196 and 16 | | Greatest Common Factor (GCF) of 24 and 97 | | Greatest Common Factor (GCF) of 625 and 900 | | Greatest Common Factor (GCF) of 210 and 18 | | Greatest Common Factor (GCF) of 450 and 40 | | Greatest Common Factor (GCF) of 315 and 30 | | Greatest Common Factor (GCF) of 308 and 36 | | Greatest Common Factor (GCF) of 261 and 63 | | Greatest Common Factor (GCF) of 321 and 408 | | Greatest Common Factor (GCF) of 1528 and 1984 | | Greatest Common Factor (GCF) of 1200 and 2200 | | Greatest Common Factor (GCF) of 165 and 125 | | Greatest Common Factor (GCF) of 288 and 452 | | Greatest Common Factor (GCF) of 111 and 300 | | Greatest Common Factor (GCF) of 64 and 34 | | Greatest Common Factor (GCF) of 225 and 120 | | Greatest Common Factor (GCF) of 119 and 16 | | Greatest Common Factor (GCF) of 24 and 150 | | Greatest Common Factor (GCF) of 72 and 234 | | Greatest Common Factor (GCF) of 45 and 1 | | Greatest Common Factor (GCF) of 17 and 67 | | Greatest Common Factor (GCF) of 28 and 53 | | Greatest Common Factor (GCF) of 80 and 97 | | Greatest Common Factor (GCF) of 112 and 320 | | Greatest Common Factor (GCF) of 5600 and 784 | | Greatest Common Factor (GCF) of 775 and 999 | | Greatest Common Factor (GCF) of 204 and 280 | | Greatest Common Factor (GCF) of 43 and 35 | | Greatest Common Factor (GCF) of 84 and 164 |