---------- Forwarded message ----------
Date: Mon, 31 Jan 2000 14:59:38 -0500
From: George Woltman <[EMAIL PROTECTED]>
To: Wojciech Florek <[EMAIL PROTECTED]>
Subject: Re: Is it new?
Hi,
At 01:39 PM 1/30/00 +0100, you wrote:
>Playing with factors of mersennes I've found the following
>relation:
>
>Let p=4q+b, b=1,3, and a=4-b (so a=3,1, respectively) then
>p divides M(p-3)-aq.
>E.g.
>p=41, q=10 b=1 a=3
>M(38)-3*10=274877906913=6704339193*41
>
>p=43, q=10, b=3 a=1
>M(40)-10=1099511627775=25570037855*43
>
>Is it something new or well known?
I don't know. I'm much more a computer programmer than a mathematician.
You might ask on the Mersenne mailing list. Perhaps someone there can
answer your question, prove your observation, and tell us if it is of any
value.
Best regards,
George
Wojciech Florek (WsF)
[EMAIL PROTECTED]
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