Which of the following numbers are prime? Choose all that apply.
Note
A prime number has exactly two distinct positive divisors (1 and itself); 29 and 31 are prime while 15 and 49 are composite (15 = 3×5, 49 = 7×7).
Which of the following numbers are prime? Choose all that apply.
A prime number has exactly two distinct positive divisors (1 and itself); 29 and 31 are prime while 15 and 49 are composite (15 = 3×5, 49 = 7×7).