6 of them
6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66
infinite; positive are 9
The multiples of 5 that are also multiples of 6 are multiples of their LCM. The LCM of 5 and 6 is 30, so the question becomes which multiples of 30 are less than 100? The solution is the numbers: 30, 60, 90
The multiples of 10 that are less than 125 are 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, and 120.
Multiples of 7 that are less than 60 are 7, 14, 21, 28, 35, 42, 49, 56.Multiples of 14 that are less than 60 are 14, 28, 42, 56. Common multiples that are less than 60 are 14, 28, 42, and 56.
6 of them
55, 60, 65
6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66
There are 3 such numbers: 30, 60, 90.
infinite; positive are 9
24, 36, 48
The multiples of 5 that are also multiples of 6 are multiples of their LCM. The LCM of 5 and 6 is 30, so the question becomes which multiples of 30 are less than 100? The solution is the numbers: 30, 60, 90
The multiples of 10 that are less than 125 are 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, and 120.
Multiples of 6 that are less than 72 are: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, and 66.
The following numbers are multiples of 4: 52 56 60 64 68
15, 30, 45