They are: 407 and its multiples
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The common multiples of 9 and 11 are 99, 198, 297 and so on.
44 and 88 are the only common multiples of 4 and 11 that are less than 100
Since both 11 and 13 are prime numbers, the LCM of these 2 number is 11 * 13 = 143. All multiples of 143 are multiples of 11 and 13 as well
Multiples of 6 are 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66…Multiples of 11 are 11, 22, 33, 44, 55, 66, 77… Common multiples of 6 and 11 are 66, 132...
The common multiples of 3 and 11 are the infinite set starting 33, 99, 99, 132, 165, 198, 231, 264, 297, 330, and so on. In fact 33n where n is a natural number greater than or equal to 3 will all be common multiples of both numbers.