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Strange Series (Posted on 2003-10-23)

What are the next two numbers in the following series?

2, 3, 5, 11, 23, 29, 41, 53, _ , _ .

Also mention the rule that the numbers follow.

See The Solution Submitted by Ravi Raja

Rating: 2.6000 (5 votes)

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Puzzle Thoughts

Comment 12 of 12 |

This sequence appears in oeis sequence A00584.

These are Sophie Germain primes p, such that 2p+1 is also prime.

Posted by K Sengupta on 2024-01-04 01:21:30

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