Yes. Other primes satisfying the condition are: 5 → 2 × 5 + 1 = 11 (prime). 11 → 2 × 11 + 1 = 23 (prime). 13 → 2 × 13 + 1 = 27 (prime). class 6 Mathematics Textbook ...
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Yes. Other primes satisfying the condition are: 5 → 2 × 5 + 1 = 11 (prime). 11 → 2 × 11 + 1 = 23 (prime). 13 → 2 × 13 + 1 = 27 (prime). class 6 Mathematics Textbook ...