It is 6.
It is: 6
A common denominator of 20 and 30 is 600. This is NOT the least common denominator, though.
The LCD is 600. Since the pair have no common prime factors, the LCD is the product of the two. 8 x 75 = 600
The greatest common factor of 500 and 600 is 100.
600
600
7200
The greatest common factor of 900 and 600 is 300. 300 goes into 600 twice and 900 three times.
The greatest common factor of 150 225 450 and 600 is 75.
The GCF of 600 and 216 is 24.
The greatest common factor is 4. The LCM is 600.
The answer is 60