126.
2 * 63 = 126
63 * 2 = 126
14 * 9 = 126
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The Least Common Multiple (LCM) for 63 14 30 is 630.
70 = 2 x 5 x 7 63 = 32 x 7 14 = 2 x 7 lcm = 2 x 32 x 5 x 7 = 630 1 after that: 7
The LCM is: 63
lcm(49, 63, 21) = 441 49 = 7^2 63 = 3^2 x 7 21 = 3 x 7 lcm = 3^2 x 7^2 = 441
126