Barış has one weight each of 3, 4, 5, 6, and 10 kilograms, and several weights of 1 kilogram. Barış places all these weights on the pans of an equal-arm balance, which is initially empty, such that the product of the weights on each pan is equal to each other, and the balance reaches equilibrium.
Accordingly, what is the minimum number of 1-kilogram weights that Barış has?
A) 1
B) 2
C) 3
D) 4
E) 5