3
3*7=21
3*30=90
* * * * *
That is the Greatest Common Factor, GCF, not the LCM.
LCM(21, 90) = 630
630
The Least Common Multiple (LCM) for 21 90 is 630.
The LCM is 90.
LCM = 90
The LCM is 21.
LCM of 15 9 and 18 is 90. The LCM of 9, 15 and 18 is 90.
The LCM of 90 and 6 is 90.
LCM for 45 and 90 is 90.
The LCM is 90.The LCM is 90.
The LCM is 90.
The LCM is: 90
The LCM (lowest common multiple) for 15 and 21 is 105. 15; 15, 30, 45, 60, 75, 90, 105, 120 21; 21, 42, 63, 84, 105, 126