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| 138: | 2 | 3 | 23 | |
| 438: | 2 | 3 | 73 | |
| GCF: | 2 | 3 |
The Greates Common Factor (GCF) is: 2 x 3 = 6
| Greatest Common Factor (GCF) of 4048 and 765 | | Greatest Common Factor (GCF) of 400 and 84000 | | Greatest Common Factor (GCF) of 999 and 467889 | | Greatest Common Factor (GCF) of 30 and 91125 | | Greatest Common Factor (GCF) of 168 and 563 | | Greatest Common Factor (GCF) of 151 and 60 | | Greatest Common Factor (GCF) of 151 and 113 | | Greatest Common Factor (GCF) of 267 and 85 | | Greatest Common Factor (GCF) of 315 and 320 | | Greatest Common Factor (GCF) of 176 and 1376 | | Greatest Common Factor (GCF) of 384 and 295 | | Greatest Common Factor (GCF) of 384 and 394 | | Greatest Common Factor (GCF) of 378 and 849 | | Greatest Common Factor (GCF) of 39 and 199 | | Greatest Common Factor (GCF) of 368 and 128 | | Greatest Common Factor (GCF) of 155 and 92 | | Greatest Common Factor (GCF) of 255 and 168 | | Greatest Common Factor (GCF) of 255 and 167 | | Greatest Common Factor (GCF) of 1924 and 1859 | | Greatest Common Factor (GCF) of 643 and 42 | | Greatest Common Factor (GCF) of 152 and 245 | | Greatest Common Factor (GCF) of 45000 and 48 | | Greatest Common Factor (GCF) of 313 and 72 | | Greatest Common Factor (GCF) of 70 and 36000 | | Greatest Common Factor (GCF) of 10000 and 236 | | Greatest Common Factor (GCF) of 2500 and 280 | | Greatest Common Factor (GCF) of 648 and 516 | | Greatest Common Factor (GCF) of 80 and 4000 | | Greatest Common Factor (GCF) of 96 and 30000 | | Greatest Common Factor (GCF) of 450 and 81000 | | Greatest Common Factor (GCF) of 300 and 20000 | | Greatest Common Factor (GCF) of 32000 and 6000 |