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| 420: | 2 | 2 | 3 | 5 | 7 | ||||||
| 1280: | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | ||
| GCF: | 2 | 2 | 5 |
The Greates Common Factor (GCF) is: 2 x 2 x 5 = 20
| Greatest Common Factor (GCF) of 238 and 13 | | Greatest Common Factor (GCF) of 714 and 39 | | Greatest Common Factor (GCF) of 272 and 47 | | Greatest Common Factor (GCF) of 544 and 94 | | Greatest Common Factor (GCF) of 407 and 74 | | Greatest Common Factor (GCF) of 1.0E+19 and 32222222222 | | Greatest Common Factor (GCF) of 123 and 19 | | Greatest Common Factor (GCF) of 615 and 95 | | Greatest Common Factor (GCF) of 147 and 81 | | Greatest Common Factor (GCF) of 278 and 90 | | Greatest Common Factor (GCF) of 195 and 27 | | Greatest Common Factor (GCF) of 828 and 19 | | Greatest Common Factor (GCF) of 391 and 238 | | Greatest Common Factor (GCF) of 121 and 380 | | Greatest Common Factor (GCF) of 88 and 130 | | Greatest Common Factor (GCF) of 782 and 500 | | Greatest Common Factor (GCF) of 324 and 66 | | Greatest Common Factor (GCF) of 874 and 32 | | Greatest Common Factor (GCF) of 147 and 44 | | Greatest Common Factor (GCF) of 680 and 482 | | Greatest Common Factor (GCF) of 462 and 262 | | Greatest Common Factor (GCF) of 248 and 322 | | Greatest Common Factor (GCF) of 136 and 22 | | Greatest Common Factor (GCF) of 236 and 36 | | Greatest Common Factor (GCF) of 2175 and 921 | | Greatest Common Factor (GCF) of 185 and 611 | | Greatest Common Factor (GCF) of 40 and 690 | | Greatest Common Factor (GCF) of 152 and 208 | | Greatest Common Factor (GCF) of 157464 and 4096 | | Greatest Common Factor (GCF) of 2916 and 256 | | Greatest Common Factor (GCF) of 286 and 70 | | Greatest Common Factor (GCF) of 1176 and 1960 |