Two or more numbers are needed to find their LCM but if you mean 7, 3 and 5 then it is 105
The LCM is 735.
735
The LCM is: 735
735
735
735
735
Both of these numbers are divisible by 3 and 7. The factors of 105 is 21 x 5 and that of 147 is 21 x 7. So the LCM is 21 x 35 = 735.
735
It is: 735
735
The LCM is 735.