princeps

TypePostAuthorRepliesLast post
Open problemSum of prime and semiprime conjecture princeps29 years 45 weeks ago
Open problemAlexa's Conjecture on Primality princeps713 years 2 days ago
Open problem3 is a primitive root modulo primes of the form 16 q^4 + 1, where q>3 is prime princeps113 years 42 weeks ago
Open problemGiuga's Conjecture on Primality princeps014 years 11 weeks ago