1
The answer is 780 780/65=12 780/26=30 780/12=65 780 is the lowest common multiple that each of the numbers all have in common.
The LCM is: 130
The LCM is: 130
The Least Common Multiple (LCM) for 13 26 65 is 130.
It is: 390
390
GCD(42, 65) = 1
The LCM of 12 and 65 is 780.
GCD: 5
GCD: 5
Greatest Common Divisor (GCD) for 20 65 is 5.