openssl-prime - compute prime numbers

       Copyright 2017-2020 The OpenSSL Project Authors. All Rights Reserved.

       Licensed under the Apache License 2.0 (the "License").  You may not use this file  except  in  compliance
       with  the  License.   You  can  obtain  a  copy  in  the  file  LICENSE  in the source distribution or at
       <https://www.openssl.org/source/license.html>.

3.4.1                                              2025-04-03                                OPENSSL-PRIME(1SSL)

       This command checks if the specified numbers are prime.

       If no numbers are given on the command line, the -generate flag should be used to generate primes
       according to the requirements specified by the rest of the flags.

       openssl-prime - compute prime numbers

-help
           Display an option summary.

       -hex
           Generate hex output.

       -generate
           Generate a prime number.

       -bitsnum
           Generate a prime with num bits.

       -safe
           When  used  with  -generate,  generates a "safe" prime. If the number generated is n, then check that
           "(n-1)/2" is also prime.

       -providername-provider-pathpath-propquerypropq
           See "Provider Options" in openssl(1), provider(7), and property(7).

       -checksnum
           This parameter is ignored.

opensslprime [-help] [-hex] [-generate] [-bitsnum] [-safe] [-providername] [-provider-pathpath]
       [-propquerypropq] [-checksnum] [number ...]