NAME

       openssl-prime, prime - compute prime numbers

SYNOPSIS

       openssl prime [-help] [-hex] [-generate] [-bits] [-safe] [-checks] [number...]

DESCRIPTION

       The prime 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.

OPTIONS

       [-help]
           Display an option summary.

       [-hex]
           Generate hex output.

       [-generate]
           Generate a prime number.

       [-bits num]
           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.

       [-checks num]
           Perform the checks num times to see that the generated number is prime.  The default
           is 20.

COPYRIGHT

       Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.

       Licensed under the OpenSSL license (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>.