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syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
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# openssl prime

> OpenSSL command to compute prime numbers.
> More information: <https://www.openssl.org/docs/manmaster/man1/openssl-prime.html>.

- Generate a 2048bit prime number and display it in hexadecimal:

`openssl prime -generate -bits 2048 -hex`

- Check if a given number is prime:

`openssl prime {{number}}`