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PRIME(1SSL)                         OpenSSL                        PRIME(1SSL)

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>.

1.1.1f                            2024-07-30                       PRIME(1SSL)