Prime (only 1 x itself to get this number): 2, 29, 19, 31, 41, 11, Composite (more than 2 facts to get this number): 58, 66, 74, 33, 42, 39, 9, Neither Prime nor Composite (there are 2) : 0, 1,

Prime and Composite Practice

Leaderboard

Visual style

Options

Switch template

Continue editing: ?