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| 680: | 2 | 2 | 2 | 5 | 17 | |||
| 720: | 2 | 2 | 2 | 2 | 3 | 3 | 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 9720 and 57120 | | Greatest Common Factor (GCF) of 3072 and 273 | | Greatest Common Factor (GCF) of 3744 and 30 | | Greatest Common Factor (GCF) of 25000 and 3600 | | Greatest Common Factor (GCF) of 340000 and 650000 | | Greatest Common Factor (GCF) of 316922500 and 17000000000000 | | Greatest Common Factor (GCF) of 9216 and 4096 | | Greatest Common Factor (GCF) of 248 and 384 | | Greatest Common Factor (GCF) of 72 and 199 | | Greatest Common Factor (GCF) of 1344 and 2016 | | Greatest Common Factor (GCF) of 1446 and 24 | | Greatest Common Factor (GCF) of 430 and 545 | | Greatest Common Factor (GCF) of 45 and 810 | | Greatest Common Factor (GCF) of 377 and 80 | | Greatest Common Factor (GCF) of 9 and 4985 | | Greatest Common Factor (GCF) of 9 and 935 | | Greatest Common Factor (GCF) of 370 and 553 | | Greatest Common Factor (GCF) of 362 and 42 | | Greatest Common Factor (GCF) of 1156 and 676 | | Greatest Common Factor (GCF) of 5696 and 1125 | | Greatest Common Factor (GCF) of 792 and 730 | | Greatest Common Factor (GCF) of 149 and 400 | | Greatest Common Factor (GCF) of 185 and 301 | | Greatest Common Factor (GCF) of 460 and 1533 | | Greatest Common Factor (GCF) of 441 and 280 | | Greatest Common Factor (GCF) of 144 and 407 | | Greatest Common Factor (GCF) of 4536 and 9216 | | Greatest Common Factor (GCF) of 207 and 49 | | Greatest Common Factor (GCF) of 504 and 2366 | | Greatest Common Factor (GCF) of 114 and 357 | | Greatest Common Factor (GCF) of 800 and 6378 | | Greatest Common Factor (GCF) of 390 and 758 |