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| 420: | 2 | 2 | 3 | 5 | 7 | ||
| 1960: | 2 | 2 | 2 | 5 | 7 | 7 | |
| GCF: | 2 | 2 | 5 | 7 |
The Greates Common Factor (GCF) is: 2 x 2 x 5 x 7 = 140
| Greatest Common Factor (GCF) of 495 and 2700 | | Greatest Common Factor (GCF) of 85 and 480 | | Greatest Common Factor (GCF) of 91 and 728 | | Greatest Common Factor (GCF) of 148 and 168 | | Greatest Common Factor (GCF) of 231 and 528 | | Greatest Common Factor (GCF) of 49 and 225 | | Greatest Common Factor (GCF) of 308 and 180 | | Greatest Common Factor (GCF) of 186 and 415 | | Greatest Common Factor (GCF) of 36 and 415 | | Greatest Common Factor (GCF) of 26 and 415 | | Greatest Common Factor (GCF) of 4800 and 8 | | Greatest Common Factor (GCF) of 5 and 325 | | Greatest Common Factor (GCF) of 4 and 325 | | Greatest Common Factor (GCF) of 100 and 154 | | Greatest Common Factor (GCF) of 34 and 79 | | Greatest Common Factor (GCF) of 18 and 3030 | | Greatest Common Factor (GCF) of 132 and 222 | | Greatest Common Factor (GCF) of 35 and 101 | | Greatest Common Factor (GCF) of 200 and 550 | | Greatest Common Factor (GCF) of 12 and 121 | | Greatest Common Factor (GCF) of 252 and 2240 | | Greatest Common Factor (GCF) of 60 and 400 | | Greatest Common Factor (GCF) of 525 and 375 | | Greatest Common Factor (GCF) of 53 and 97 | | Greatest Common Factor (GCF) of 315 and 215 | | Greatest Common Factor (GCF) of 35 and 267 | | Greatest Common Factor (GCF) of 124 and 120 | | Greatest Common Factor (GCF) of 512 and 10000 | | Greatest Common Factor (GCF) of 375 and 70 | | Greatest Common Factor (GCF) of 68 and 204 | | Greatest Common Factor (GCF) of 78 and 195 | | Greatest Common Factor (GCF) of 76 and 680 |