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| 90: | 2 | 3 | 3 | 5 | |
| 138: | 2 | 3 | 23 | ||
| GCF: | 2 | 3 |
The Greates Common Factor (GCF) is: 2 x 3 = 6
| Greatest Common Factor (GCF) of 42 and 162 | | Greatest Common Factor (GCF) of 324 and 625 | | Greatest Common Factor (GCF) of 256 and 441 | | Greatest Common Factor (GCF) of 4096 and 64 | | Greatest Common Factor (GCF) of 43 and 24 | | Greatest Common Factor (GCF) of 49 and 442 | | Greatest Common Factor (GCF) of 352 and 1000 | | Greatest Common Factor (GCF) of 100 and 139 | | Greatest Common Factor (GCF) of 288 and 432 | | Greatest Common Factor (GCF) of 609 and 819 | | Greatest Common Factor (GCF) of 160 and 71 | | Greatest Common Factor (GCF) of 73 and 300 | | Greatest Common Factor (GCF) of 325 and 120 | | Greatest Common Factor (GCF) of 68 and 74 | | Greatest Common Factor (GCF) of 43 and 490 | | Greatest Common Factor (GCF) of 16 and 172 | | Greatest Common Factor (GCF) of 5000 and 11000 | | Greatest Common Factor (GCF) of 440 and 600 | | Greatest Common Factor (GCF) of 15 and 450 | | Greatest Common Factor (GCF) of 1 and 848 | | Greatest Common Factor (GCF) of 848 and 848 | | Greatest Common Factor (GCF) of 8500 and 29000 | | Greatest Common Factor (GCF) of 360 and 110 | | Greatest Common Factor (GCF) of 120 and 93 | | Greatest Common Factor (GCF) of 0.4 and 25 | | Greatest Common Factor (GCF) of 111 and 5 | | Greatest Common Factor (GCF) of 31 and 260 | | Greatest Common Factor (GCF) of 385 and 264 | | Greatest Common Factor (GCF) of 420 and 980 | | Greatest Common Factor (GCF) of 150 and 29 | | Greatest Common Factor (GCF) of 92 and 222 | | Greatest Common Factor (GCF) of 17 and 255 |