Problem 896. Sophie Germain prime
In number theory, a prime number p is a Sophie Germain prime if 2p + 1 is also prime. For example, 23 is a Sophie Germain prime because it is a prime and 2 × 23 + 1 = 47, and 47 is also a prime number. These numbers are named after French mathematician Marie-Sophie Germain.
See Sophie Germain prime article on Wikipedia.
In this Problem , the input is a number and you must return true or false if this number is a Sophie Germain prime.
Solution Stats
Problem Comments
-
1 Comment
Brandon
on 30 May 2023
None of the test cases actually check if the prime is Sophie Germain...
Solution Comments
Show commentsProblem Recent Solvers734
Suggested Problems
-
2234 Solvers
-
640 Solvers
-
20470 Solvers
-
510 Solvers
-
Return fibonacci sequence do not use loop and condition
517 Solvers
More from this Author30
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!