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| 1260: | 2 | 2 | 3 | 3 | 5 | 7 | |
| 1428: | 2 | 2 | 3 | 7 | 17 | ||
| GCF: | 2 | 2 | 3 | 7 |
The Greates Common Factor (GCF) is: 2 x 2 x 3 x 7 = 84
| Greatest Common Factor (GCF) of 4 and 640 | | Greatest Common Factor (GCF) of 100005 and 48 | | Greatest Common Factor (GCF) of 1125 and 1395 | | Greatest Common Factor (GCF) of 552 and 720 | | Greatest Common Factor (GCF) of 72 and 2884 | | Greatest Common Factor (GCF) of 124 and 33 | | Greatest Common Factor (GCF) of 1638 and 2016 | | Greatest Common Factor (GCF) of 220 and 292 | | Greatest Common Factor (GCF) of 912 and 208 | | Greatest Common Factor (GCF) of 420 and 780 | | Greatest Common Factor (GCF) of 276 and 288 | | Greatest Common Factor (GCF) of 232 and 228 | | Greatest Common Factor (GCF) of 243 and 207 | | Greatest Common Factor (GCF) of 282 and 300 | | Greatest Common Factor (GCF) of 42 and 7056 | | Greatest Common Factor (GCF) of 209 and 7 | | Greatest Common Factor (GCF) of 416 and 3 | | Greatest Common Factor (GCF) of 516 and 68 | | Greatest Common Factor (GCF) of 9900 and 6237 | | Greatest Common Factor (GCF) of 378 and 492 | | Greatest Common Factor (GCF) of 720 and 71 | | Greatest Common Factor (GCF) of 10890 and 5089 | | Greatest Common Factor (GCF) of 1089 and 5500 | | Greatest Common Factor (GCF) of 25 and 999 | | Greatest Common Factor (GCF) of 5500 and 10899 | | Greatest Common Factor (GCF) of 2040 and 5089 | | Greatest Common Factor (GCF) of 2040 and 5500 | | Greatest Common Factor (GCF) of 555 and 1 | | Greatest Common Factor (GCF) of 2200 and 180 | | Greatest Common Factor (GCF) of 53 and 396 | | Greatest Common Factor (GCF) of 284 and 213 | | Greatest Common Factor (GCF) of 213 and 142 |