The multiples of 240 are:
240, 480, 720, 960, 1200, 1440, 1680, 1920, 2160, 2400, 2640, 2880, 3120, 3360, 3600, 3840, 4080, 4320, 4560, 4800, 5040, 5280, 5520, 5760, 6000, 6240, 6480, 6720, 6960, 7200, 7440, 7680, 7920, 8160, 8400, 8640, 8880, 9120, 9360, 9600, 9840, 10080, 10320, 10560, 10800, 11040, 11280, 11520, 11760, 12000, 12240, 12480, 12720, 12960, 13200, 13440, 13680, 13920, 14160, 14400, 14640, 14880, 15120, 15360, 15600, 15840, 16080, 16320, 16560, 16800, 17040, 17280, 17520, 17760, 18000, 18240, 18480, 18720, 18960, 19200, 19440, 19680, 19920, 20160, 20400, 20640, 20880, 21120, 21360, 21600, 21840, 22080, 22320, 22560, 22800, 23040, 23280, 23520, 23760, 24000, ...
The multiples of 1 are:
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, ...
240, 480, 720 and so on.
The first ten positive integer multiples of 240 are: 1 x 240 = 240 2 x 240 = 480 3 x 240 = 720 4 x 240 = 960 5 x 240 = 1200 6 x 240 = 1440 7 x 240 = 1680 8 x 240 = 1920 9 x 240 = 2160 10 x 240 = 2400
All multiples of 240 (which are infinite) are evenly divisible by 240.
The common multiples of 3,4, and 10 would be all the multiples of 60. 60, 120, 180, 240... all the way to 6000.
Multiples of 240
240
The LCM of 15 and 80 is 240. Multiples of 15 are 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225, 240, and so on. Multiples of 80 are 80, 160, 240, and so on. So the LCM is 240.
Any multiple of 240.
120, 240, 360 and so on.
The multiples of 16 are 16, 32, 48, 64, 80, etc. The multiples of 20 are 20, 40, 60, 80, 100, etc. The common multiples of 16 and 20 are 80, 160, 240 and so on.
The common multiples of 10 and 16 are 80, 160, 240 and so on.
80, 160, 240 and so on.