21, 42, 63 and so on.
Chat with our AI personalities
Multiples 21: 1,3,7,21Multiples 49: 1,7,49
The common multiples of 3 and 7 are:21,42,63,84,105,126,147,168,189,210,etc.
Multiples of 7, like 7, 14, 21 and so on.
The multiples of 7 from 7 to 100 are ...... 0, 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98, 105.
The multiples of 3 are: 3, 6, 9, 12, 15, 18, 21, etc ...The multiples of 6 are: 6, 12, 18, 24, etc ...The multiples of 18 are: 18, 36, 54, etc ...The lowest multiple common to 3, 6, and 18 is 18, so the LCM = 18.