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| 640: | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | ||
| 1200: | 2 | 2 | 2 | 2 | 3 | 5 | 5 | |||
| GCF: | 2 | 2 | 2 | 2 | 5 |
The Greates Common Factor (GCF) is: 2 x 2 x 2 x 2 x 5 = 80
| Greatest Common Factor (GCF) of 2 and 864 | | Greatest Common Factor (GCF) of 600 and 875 | | Greatest Common Factor (GCF) of 84 and 620 | | Greatest Common Factor (GCF) of 78 and 620 | | Greatest Common Factor (GCF) of 258 and 377 | | Greatest Common Factor (GCF) of 262 and 360 | | Greatest Common Factor (GCF) of 3542 and 42 | | Greatest Common Factor (GCF) of 150 and 62 | | Greatest Common Factor (GCF) of 2345 and 1234 | | Greatest Common Factor (GCF) of 1026 and 304 | | Greatest Common Factor (GCF) of 288 and 51 | | Greatest Common Factor (GCF) of 90757800 and 66000 | | Greatest Common Factor (GCF) of 1025 and 256 | | Greatest Common Factor (GCF) of 4786 and 733645 | | Greatest Common Factor (GCF) of 455 and 59 | | Greatest Common Factor (GCF) of 117 and 3 | | Greatest Common Factor (GCF) of 43 and 1 | | Greatest Common Factor (GCF) of 160 and 105 | | Greatest Common Factor (GCF) of 493 and 32 | | Greatest Common Factor (GCF) of 264 and 144 | | Greatest Common Factor (GCF) of 152 and 54 | | Greatest Common Factor (GCF) of 80 and 320 | | Greatest Common Factor (GCF) of 152 and 58 | | Greatest Common Factor (GCF) of 632 and 345 | | Greatest Common Factor (GCF) of 324 and 6 | | Greatest Common Factor (GCF) of 182 and 12 | | Greatest Common Factor (GCF) of 213 and 15 | | Greatest Common Factor (GCF) of 309 and 18 | | Greatest Common Factor (GCF) of 226 and 113 | | Greatest Common Factor (GCF) of 1440 and 1428 | | Greatest Common Factor (GCF) of 139 and 18 | | Greatest Common Factor (GCF) of 256 and 75 |