The LCM is 648.
324, 648, 972, 1296, 1620, 1944...
162, 324, 486, 648, 810, 972, 1134, 1296, 1458, 1620, . . .
Oh, dude, the least common multiple (LCM) of 81 and 72 is 648. It's like when you're trying to find the smallest number that both 81 and 72 can both divide into evenly without leaving a remainder. So yeah, 648 is the magic number that makes both 81 and 72 happy.
81, 162, 243, 324, 405, 486, 567, 648, 729, 810, 891, 972.
324, 648, 972 and so on.324, 648, 972 . . .
The LCM is 648.
The LCM is 648.
Since 648 is a multiple of 324, it is automatically the LCM.
648
The LCM is: 972
The LCM is: 972
324, 648, 972 and so on.
162, 324, 486, 648, 810, 972, 1134, . . .
324, 648, 972, 1296, 1620, 1944...
12 and 648
The LCM is: 648