31
310 can be divided by 1, 2, 5, 10, 31, 62, 155, and 310. These are factors of 310, meaning they can divide 310 evenly without leaving a remainder.
15.5
6.2
310 / 34 = 36
10% of 310= 10% * 310= 0.1 * 310= 31
310 divided by 3 is 103.33 or 103 with remainder 1.
155/2 divided by 3/10 = 155/2 x 10/3 = 1550/6 = 258 and 1/3
5
44.2857
6.0784
620
1.5387