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| 720: | 2 | 2 | 2 | 2 | 3 | 3 | 5 | |
| 680: | 2 | 2 | 2 | 5 | 17 | |||
| GCF: | 2 | 2 | 2 | 5 |
The Greates Common Factor (GCF) is: 2 x 2 x 2 x 5 = 40
| Greatest Common Factor (GCF) of 216 and 3 | | Greatest Common Factor (GCF) of 168 and 66 | | Greatest Common Factor (GCF) of 1575 and 3600 | | Greatest Common Factor (GCF) of 875 and 2400 | | Greatest Common Factor (GCF) of 252 and 313 | | Greatest Common Factor (GCF) of 690 and 720 | | Greatest Common Factor (GCF) of 480 and 280 | | Greatest Common Factor (GCF) of 3 and 640 | | Greatest Common Factor (GCF) of 70 and 363 | | Greatest Common Factor (GCF) of 210 and 1089 | | Greatest Common Factor (GCF) of 300 and 1430 | | Greatest Common Factor (GCF) of 421 and 32 | | Greatest Common Factor (GCF) of 55 and 588 | | Greatest Common Factor (GCF) of 5678 and 98765 | | Greatest Common Factor (GCF) of 2704 and 105625 | | Greatest Common Factor (GCF) of 122 and 427 | | Greatest Common Factor (GCF) of 323 and 6241 | | Greatest Common Factor (GCF) of 1148 and 6 | | Greatest Common Factor (GCF) of 132 and 400 | | Greatest Common Factor (GCF) of 63 and 355 | | Greatest Common Factor (GCF) of 78 and 1443 | | Greatest Common Factor (GCF) of 2080 and 800 | | Greatest Common Factor (GCF) of 609 and 580 | | Greatest Common Factor (GCF) of 204 and 8 | | Greatest Common Factor (GCF) of 455 and 28 | | Greatest Common Factor (GCF) of 186 and 203 | | Greatest Common Factor (GCF) of 1824 and 36 | | Greatest Common Factor (GCF) of 3640 and 15 | | Greatest Common Factor (GCF) of 3672 and 120 | | Greatest Common Factor (GCF) of 135 and 159 | | Greatest Common Factor (GCF) of 49 and 1400 | | Greatest Common Factor (GCF) of 44320 and 18972 |