Write the set of prime number less than or equal to 23 using roster method.
A. { 2, 3, 5, 7, 9, 11, 13, 15, 17, 19 } C. { 2, 3, 5, 7, 11, 13, 17, 19, 23 }
B. { 1, 2, 3, 5, 7, 11, 13, 17, 19, 23 } D. { 1, 2, 3, 5, 7, 11, 13, 17, 19, 23 }