it's 5. 25 is the highest common denominator.
To find the lowest common multiple you must have at least two numbers.
It is 1 but the HCF is 25
600
200
It is: 200
1200
200
The least common multiple of the numbers 25, 75 and 200 is 600.
The LCM is: 200
It is: 200
The LCM is: 200
The LCM is: 800