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| 20: | 2 | 2 | 5 | |||
| 1980: | 2 | 2 | 3 | 3 | 5 | 11 |
| GCF: | 2 | 2 | 5 |
The Greates Common Factor (GCF) is: 2 x 2 x 5 = 20
| Greatest Common Factor (GCF) of 78 and 190 | | Greatest Common Factor (GCF) of 34320 and 442 | | Greatest Common Factor (GCF) of 918 and 104 | | Greatest Common Factor (GCF) of 21 and 960 | | Greatest Common Factor (GCF) of 5 and 1152 | | Greatest Common Factor (GCF) of 20 and 378 | | Greatest Common Factor (GCF) of 350 and 1807 | | Greatest Common Factor (GCF) of 1008 and 100 | | Greatest Common Factor (GCF) of 178 and 999 | | Greatest Common Factor (GCF) of 285 and 80 | | Greatest Common Factor (GCF) of 219 and 999 | | Greatest Common Factor (GCF) of 800 and 375 | | Greatest Common Factor (GCF) of 10 and 2500 | | Greatest Common Factor (GCF) of 112 and 305 | | Greatest Common Factor (GCF) of 174 and 75 | | Greatest Common Factor (GCF) of 163 and 48 | | Greatest Common Factor (GCF) of 185 and 286 | | Greatest Common Factor (GCF) of 360 and 2025 | | Greatest Common Factor (GCF) of 1900 and 4100 | | Greatest Common Factor (GCF) of 1000 and 491 | | Greatest Common Factor (GCF) of 4527 and 9990 | | Greatest Common Factor (GCF) of 265 and 990 | | Greatest Common Factor (GCF) of 232 and 990 | | Greatest Common Factor (GCF) of 672 and 999 | | Greatest Common Factor (GCF) of 865 and 999 | | Greatest Common Factor (GCF) of 333 and 109 | | Greatest Common Factor (GCF) of 928 and 1000 | | Greatest Common Factor (GCF) of 988 and 763 | | Greatest Common Factor (GCF) of 678 and 372 | | Greatest Common Factor (GCF) of 885 and 95 | | Greatest Common Factor (GCF) of 32 and 281 | | Greatest Common Factor (GCF) of 800 and 1405 |