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| 72: | 2 | 2 | 2 | 3 | 3 | |
| 40: | 2 | 2 | 2 | 5 | ||
| GCF: | 2 | 2 | 2 |
The Greates Common Factor (GCF) is: 2 x 2 x 2 = 8
| Greatest Common Factor (GCF) of 42 and 36 | | Greatest Common Factor (GCF) of 13 and 78 | | Greatest Common Factor (GCF) of 100 and 25 | | Greatest Common Factor (GCF) of 13 and 52 | | Greatest Common Factor (GCF) of 72 and 64 | | Greatest Common Factor (GCF) of 11 and 99 | | Greatest Common Factor (GCF) of 140 and 252 | | Greatest Common Factor (GCF) of 132 and 252 | | Greatest Common Factor (GCF) of 132 and 140 | | Greatest Common Factor (GCF) of 16 and 33 | | Greatest Common Factor (GCF) of 90 and 165 | | Greatest Common Factor (GCF) of 21 and 40 | | Greatest Common Factor (GCF) of 250 and 650 | | Greatest Common Factor (GCF) of 225 and 75 | | Greatest Common Factor (GCF) of 125 and 273 | | Greatest Common Factor (GCF) of 36 and 240 | | Greatest Common Factor (GCF) of 15 and 75 | | Greatest Common Factor (GCF) of 69 and 54 | | Greatest Common Factor (GCF) of 77 and 91 | | Greatest Common Factor (GCF) of 32 and 160 | | Greatest Common Factor (GCF) of 160 and 40 | | Greatest Common Factor (GCF) of 34 and 24 | | Greatest Common Factor (GCF) of 27 and 48 | | Greatest Common Factor (GCF) of 284 and 287 | | Greatest Common Factor (GCF) of 28 and 140 | | Greatest Common Factor (GCF) of 54 and 126 | | Greatest Common Factor (GCF) of 56 and 35 | | Greatest Common Factor (GCF) of 53 and 39 | | Greatest Common Factor (GCF) of 61 and 73 | | Greatest Common Factor (GCF) of 37 and 74 | | Greatest Common Factor (GCF) of 60 and 45 | | Greatest Common Factor (GCF) of 315 and 3150 |