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Re: The next exercise
From: |
Michael Heerdegen |
Subject: |
Re: The next exercise |
Date: |
Fri, 16 Dec 2022 02:16:59 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) |
Michael Heerdegen <michael_heerdegen@web.de> writes:
> At least I know now it's not a prime, since all integers of the form
> 2^2^n - 1 are divisible by 5.
I meant for n>=2 of course (n=1 is the only exception).
Michael.
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