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| 140: | 2 | 2 | 5 | 7 | ||
| 221: | 13 | 17 | ||||
| LCM: | 2 | 2 | 5 | 7 | 13 | 17 |
The Least Common Multiple (LCM) is: 2 x 2 x 5 x 7 x 13 x 17 = 30940
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