Răspuns:
Numerele prime de doua cifre mai mici decat:
a) 30
11, 13, 17, 19, 23, 29
b) 39
11, 13, 17, 19, 23, 29, 31, 37
c) 75
11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73
d) 64
11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61
