LCM( 93, 62, 120 ) = 3720
Write down multiples of each number until you find the first common multiple:
The multipliers of 93 are: 93, 186, 279, 372, 465, 558, 651, 744, 837, 930, 1023, 1116, 1209, 1302, 1395, 1488, 1581, 1674, 1767, 1860, 1953, 2046, 2139, 2232, 2325, 2418, 2511, 2604, 2697, 2790, 2883, 2976, 3069, 3162, 3255, 3348, 3441, 3534, 3627, 3720, 3813, . . .
The multipliers of 62 are: 62, 124, 186, 248, 310, 372, 434, 496, 558, 620, 682, 744, 806, 868, 930, 992, 1054, 1116, 1178, 1240, 1302, 1364, 1426, 1488, 1550, 1612, 1674, 1736, 1798, 1860, 1922, 1984, 2046, 2108, 2170, 2232, 2294, 2356, 2418, 2480, 2542, 2604, 2666, 2728, 2790, 2852, 2914, 2976, 3038, 3100, 3162, 3224, 3286, 3348, 3410, 3472, 3534, 3596, 3658, 3720, 3782, . . .
The multipliers of 120 are: 120, 240, 360, 480, 600, 720, 840, 960, 1080, 1200, 1320, 1440, 1560, 1680, 1800, 1920, 2040, 2160, 2280, 2400, 2520, 2640, 2760, 2880, 3000, 3120, 3240, 3360, 3480, 3600, 3720, 3840, . . .
We can see that:
LCM( 93, 62, 120 ) = 3720
This solution can be visualized using a Venn diagram.
The LCM is equal to the product of all the numbers on the diagram.