You need at least two numbers to find an LCM.
The LCM is 250.
The LCM of 250 and 30 is 750.
LCM for 250 and 30 is 750.
The LCM of 100 and 250 is 500.
The LCM is 250.
LCM of 20 and 250 is 500.
250
250
The LCM is: 3,250
The LCM is: 2,250
The LCM is: 1,000
The LCM is: 3,000