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 Solvers904
Suggested Problems
-
17190 Solvers
-
611 Solvers
-
Back to basics 22 - Rotate a matrix
910 Solvers
-
383 Solvers
-
571 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!