It could be a prism, but need not be. A regular dodecahedron, for example, is not a prism but has parallel and congruent pentagonal bases.
You can also have any antiprism (see link).
A cylinder
A prism.
a rectangular prism yeah
Prisms.Prisms.Prisms.Prisms.
A cylinder would fit the given description.
Both a cylinder and a prism can have parallel and congruent bases.
Platonic
An upright pentagonal prism has two congruent parallel bases and 15 edges.
cylinder
A cylinder
Prism!
The given description fits that of a cylinder
A prism.
a rectangular prism yeah
Prisms.Prisms.Prisms.Prisms.
A cylinder would fit the given description.
A cylinder would fit such a description of it.