240, 480, 720
The common multiples of 16, 30, and 53 are 12720, 25440, 38160 and so on.
For 16 and 20, 80,160,240 For 30 and 33, 330,660,990
To find the common multiples of 16 and 30, first find the LCM: The prime factorization of 16 is 2*2*2*2 The prime factorization of 30 is 2*3*5 So the LCM is 16*30 / 2 = 240. All of the common multiples of 16 and 30 will be multiples of 240, so they are 240, 480, 720, 960, 1200, etc. There is an infinite number of common multiples for 16 and 30. A common multiple of any two numbers is any number into which each of two or more numbers can be divided evenly (zero remainder).
The common multiples of 5 and 6 are the multiples of their lowest common multiple (which is 30), so there are infinitely many common multiples of 5 and 6. The first five are: 30, 60, 90, 120, 150.
360, 720, 1080 and so on.
10, 20, 30 The common multiples of 5 and 10 are multiples of their lowest common multiple. The lcm of 5 and 10, is 10. Thus the first three common multiples are 10, 20, 30.
The first five multiples of 6 are 6, 12, 18, 24 and 30. For them to be common, they need to be compared to another set of multiples.
The first three multiples of 235 are 235, 470 and 705. For them to be common, they need to be compared to another set of multiples. The first three common multiples of 2, 3 and 5 are 30, 60 and 90.
The multiples of 5 are 5, 10, 15, 20, 25, 30, etc. The multiples of 15 are 15, 30, 45, 60, 75, 90, etc. The multiples of 16 are 16, 32, 48, 64, 80, 96, etc. The common multiples of 5, 15, and 16 are 240, 480, 720 and so on.
Since 30 is a multiple of 6, all multiples of 30 are common.
60 and 120
330,660,990