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| 520: | 2 | 2 | 2 | 5 | 13 | |
| 100: | 2 | 2 | 5 | 5 | ||
| GCF: | 2 | 2 | 5 |
The Greates Common Factor (GCF) is: 2 x 2 x 5 = 20
| Greatest Common Factor (GCF) of 52 and 95 | | Greatest Common Factor (GCF) of 245 and 180 | | Greatest Common Factor (GCF) of 77 and 27 | | Greatest Common Factor (GCF) of 259 and 222 | | Greatest Common Factor (GCF) of 74 and 91 | | Greatest Common Factor (GCF) of 42 and 297 | | Greatest Common Factor (GCF) of 1000 and 1200 | | Greatest Common Factor (GCF) of 31 and 124 | | Greatest Common Factor (GCF) of 450 and 180 | | Greatest Common Factor (GCF) of 20 and 85 | | Greatest Common Factor (GCF) of 144 and 196 | | Greatest Common Factor (GCF) of 47 and 13 | | Greatest Common Factor (GCF) of 51 and 21 | | Greatest Common Factor (GCF) of 42 and 420 | | Greatest Common Factor (GCF) of 9 and 79 | | Greatest Common Factor (GCF) of 346 and 66 | | Greatest Common Factor (GCF) of 3200 and 4400 | | Greatest Common Factor (GCF) of 260 and 40 | | Greatest Common Factor (GCF) of 86 and 74 | | Greatest Common Factor (GCF) of 350 and 600 | | Greatest Common Factor (GCF) of 80 and 150 | | Greatest Common Factor (GCF) of 7 and 363 | | Greatest Common Factor (GCF) of 204 and 17 | | Greatest Common Factor (GCF) of 14 and 726 | | Greatest Common Factor (GCF) of 77 and 240 | | Greatest Common Factor (GCF) of 5040 and 12544 | | Greatest Common Factor (GCF) of 85 and 180 | | Greatest Common Factor (GCF) of 74 and 99 | | Greatest Common Factor (GCF) of 58 and 108 | | Greatest Common Factor (GCF) of 252 and 8 | | Greatest Common Factor (GCF) of 210 and 211 | | Greatest Common Factor (GCF) of 86 and 98 |