463
1680
2 and 210
2x210.
420 minutes. 420 minutes. 60 x 7 420 there's 60 minutes in an hour, just multiply 7 hours. Which would be 60 x 7= 420.
463
13
-133
420
13440
-28 and 15
463
1680
There are many possible answers. One such pair is 1 and -420.
2 and 210
2x210.
The LCM is 420