yes. 3X31=93
60, 120, 180, 240, 300, 360 90, 180, 270, 360, 450, 540
300
yes, for 8 is a multiple of 2
20, 2, 6 and many many more. Take any multiple of 8, such as 8, 16, 24, 32, etc. Then add or subtract 2,4, or 6 to from it.