Question

Question 8

Which of the following numbers are prime:

(a) 23 (b) 51 (c) 37 (d) 26

Answer 1

(a) 23 = Divisible by only 1 and 23

(b) 51 = Divisible by 1, 3, 17, and 51

(c) 37 = Divisible by only 1 and 37

(d) 26 = Divisible by 1, 2, 13, and 26

Therefore, (a) 23 and (c) 37 are prime numbers.