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| 120: | 2 | 2 | 2 | 3 | 5 | |
| 45: | 3 | 3 | 5 | |||
| GCF: | 3 | 5 |
The Greates Common Factor (GCF) is: 3 x 5 = 15
| Greatest Common Factor (GCF) of 30 and 40 | | Greatest Common Factor (GCF) of 18 and 12 | | Greatest Common Factor (GCF) of 38 and 2 | | Greatest Common Factor (GCF) of 48 and 6 | | Greatest Common Factor (GCF) of 20 and 10 | | Greatest Common Factor (GCF) of 40 and 5 | | Greatest Common Factor (GCF) of 15 and 50 | | Greatest Common Factor (GCF) of 33 and 24 | | Greatest Common Factor (GCF) of 5620 and 562 | | Greatest Common Factor (GCF) of 72 and 216 | | Greatest Common Factor (GCF) of 9 and 63 | | Greatest Common Factor (GCF) of 30 and 75 | | Greatest Common Factor (GCF) of 38 and 16 | | Greatest Common Factor (GCF) of 7 and 9 | | Greatest Common Factor (GCF) of 280 and 15 | | Greatest Common Factor (GCF) of 78 and 56 | | Greatest Common Factor (GCF) of 12 and 36 | | Greatest Common Factor (GCF) of 21 and 7 | | Greatest Common Factor (GCF) of 64 and 128 | | Greatest Common Factor (GCF) of 81 and 64 | | Greatest Common Factor (GCF) of 96 and 80 | | Greatest Common Factor (GCF) of 21 and 14 | | Greatest Common Factor (GCF) of 22 and 33 | | Greatest Common Factor (GCF) of 15 and 30 | | Greatest Common Factor (GCF) of 84 and 24 | | Greatest Common Factor (GCF) of 49 and 60 | | Greatest Common Factor (GCF) of 58 and 84 | | Greatest Common Factor (GCF) of 100 and 75 | | Greatest Common Factor (GCF) of 40 and 60 | | Greatest Common Factor (GCF) of 56 and 64 | | Greatest Common Factor (GCF) of 42 and 72 | | Greatest Common Factor (GCF) of 32 and 48 |