60 and 42 have no common multiples under 100.
Wiki User
∙ 2012-09-20 11:42:49Multiples of 12 are 12, 24, 36, 48, 60, 72, 84... Multiples of 42 are 42, 84... Two common multiples of 12 and 42 are 84 and 168. The Least Common Multiple of 12 and 42 is 84.
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.
Multiples of 20 are 20, 40, 60, 80 and 100. For them to be common, they need to be compared to another set of multiples.
60.
Just 60.
Just 60.
The common multiples of 3 and 15 from 1 to 100 are 15, 30, 45, 60, 75, 90
The common multiples of 3 and 15 from 1 to 100 are 15, 30, 45, 60, 75, and 90.
60 is the only one
60 is the only one.
All multiples of 840 are common multiples of 60 and 280
Just 42.