Hi all, could anyone help to solve the question for part (b).  Thanks.

There is a group of soldiers.  When they are lined in rows of 6, 8 or 15, there are 5 soldiers left.

a) Find the minimum number of soldiers in the group. (Ans: 125)

b) If the group can be exactly divided into a small teams of 13 soldiers each, find the minimum number of soldiers in the group. (Ans:?)

Thank you.