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Which of the following numbers are prime? (a) 23 (b) 51 (c) 37 (d) 26

Which of the following numbers are prime?
(a) 23
(b) 51
(c) 37
(d) 26

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60782 Points
2 years ago
(a) 23 is a prime number [ ∵ 23 = 1 x 23] (b) 51 is not a prime number [∵ 51 = 1 x 3 x 17] (c) 37 is a prime number [∵ 37 = 1 x 37] (d) 26 is not a prime number [∵ 26 = 1 x 2 x 13]

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