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| 1220: | 2 | 2 | 5 | 61 | |||
| 400: | 2 | 2 | 2 | 2 | 5 | 5 | |
| GCF: | 2 | 2 | 5 |
The Greates Common Factor (GCF) is: 2 x 2 x 5 = 20
| Greatest Common Factor (GCF) of 2100 and 4200 | | Greatest Common Factor (GCF) of 2400 and 60000 | | Greatest Common Factor (GCF) of 26 and 137 | | Greatest Common Factor (GCF) of 179 and 209 | | Greatest Common Factor (GCF) of 600 and 7000 | | Greatest Common Factor (GCF) of 1800 and 3800 | | Greatest Common Factor (GCF) of 261 and 225 | | Greatest Common Factor (GCF) of 255 and 189 | | Greatest Common Factor (GCF) of 261 and 255 | | Greatest Common Factor (GCF) of 238 and 23800 | | Greatest Common Factor (GCF) of 195 and 567 | | Greatest Common Factor (GCF) of 195 and 378 | | Greatest Common Factor (GCF) of 1900 and 3600 | | Greatest Common Factor (GCF) of 7425 and 10000 | | Greatest Common Factor (GCF) of 347 and 500 | | Greatest Common Factor (GCF) of 213 and 124 | | Greatest Common Factor (GCF) of 93600 and 63360 | | Greatest Common Factor (GCF) of 1560 and 63360 | | Greatest Common Factor (GCF) of 60 and 6000 | | Greatest Common Factor (GCF) of 557 and 1000 | | Greatest Common Factor (GCF) of 612 and 44 | | Greatest Common Factor (GCF) of 261 and 19 | | Greatest Common Factor (GCF) of 726000 and 63360 | | Greatest Common Factor (GCF) of 33 and 184 | | Greatest Common Factor (GCF) of 1330 and 648 | | Greatest Common Factor (GCF) of 343 and 2744 | | Greatest Common Factor (GCF) of 1296 and 1679616 | | Greatest Common Factor (GCF) of 147 and 2744 | | Greatest Common Factor (GCF) of 1210 and 6336 | | Greatest Common Factor (GCF) of 3025 and 264 | | Greatest Common Factor (GCF) of 136 and 143 | | Greatest Common Factor (GCF) of 0.39 and 0.45 |