The LCM is: 450
It is: 450
the lowest common multiple for 9 and 15 is 45
The least common multiple of 45 , 81 = 405
The lowest common multiple is 45
The LCM of lowest common multiple of 225 and 180 is 900. The GCF is 45.
495.
1440
45
1,440
45
45
900 :)