Find the lowest common multiple of 24, 36 and 40.
2 | 24 - 36 - 40
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2 | 12 - 18 - 20
2 | 6 - 9 - 10
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3 | 3 - 9 - 5
| 1 - 3 - 5
L.C.M. = 2 x 2 x 2 x 3 x 3 x 5 = 360.