## Not geometry but interesting!

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• ... Quoting the first two paragraphs of the web page: ORLANDO, Florida - December 2, 2003 -- Michael Shafer, a 26 year-old volunteer in the Mersenne.org
Message 1 of 3 , Dec 2, 2003
>Date: Tue, 2 Dec 2003 07:41:37 -0800 (PST)
>From: Ed Pegg Jr <ed@...>
>To: math-fun <math-fun@...>
>Subject: [math-fun] 2^20996011 -1 is prime
>
>
> 2^20996011 - 1 is a big prime number.
>
> See http://mersenne.org/prepress12012003.htm for more details.
>
> --Ed Pegg Jr
>

Quoting the first two paragraphs of the web page:

ORLANDO, Florida - December 2, 2003 -- Michael Shafer, a 26 year-old
volunteer in the Mersenne.org research project called the Great Internet
Mersenne Prime Search (GIMPS), has discovered the largest known prime
number. Shafer used a Michigan State University lab PC and free software
by George Woltman and Scott Kurowski as part of an international grid of
211,000 networked computers in virtually every time zone of the world.

The new number, expressed as 2 to the 20,996,011th power minus 1, has
6,320,430 decimal digits and was discovered November 17th. It is more
than two million digits larger than the previous largest known prime number,
and belongs to a special class of rare prime numbers called Mersenne
primes . The discovery marks only the 40th known Mersenne prime, named
after Marin Mersenne , a 17th century French monk who first studied the
numbers 300 years ago.

--
• Dear Antreas, Thank you very much. Earlier today I was preparing my number theory notes for the coming semester, and was checking the record of Mersenne
Message 2 of 3 , Dec 2, 2003
Dear Antreas,

Thank you very much. Earlier today I was preparing my number theory notes
for the coming semester,
and was checking the record of Mersenne primes. I came across this in Chris
Caldwell's page who
indicated that the record is from 2003. I did not realize that it is as new
as today!

Best regards
Sincerely
Paul

At 12/3/2003 12:48 AM +0200, you wrote:
> >Date: Tue, 2 Dec 2003 07:41:37 -0800 (PST)
> >From: Ed Pegg Jr <ed@...>
> >To: math-fun <math-fun@...>
> >Subject: [math-fun] 2^20996011 -1 is prime
> >
> >
> > 2^20996011 - 1 is a big prime number.
> >
> > See
> <http://mersenne.org/prepress12012003.htm>http://mersenne.org/prepress12012003.htm
> for more details.
> >
> > --Ed Pegg Jr
> >
>
>Quoting the first two paragraphs of the web page:
>
>ORLANDO, Florida - December 2, 2003 -- Michael Shafer, a 26 year-old
>volunteer in the Mersenne.org research project called the Great Internet
>Mersenne Prime Search (GIMPS), has discovered the largest known prime
>number. Shafer used a Michigan State University lab PC and free software
>by George Woltman and Scott Kurowski as part of an international grid of
>211,000 networked computers in virtually every time zone of the world.
>
>The new number, expressed as 2 to the 20,996,011th power minus 1, has
>6,320,430 decimal digits and was discovered November 17th. It is more
>than two million digits larger than the previous largest known prime number,
>and belongs to a special class of rare prime numbers called Mersenne
>primes . The discovery marks only the 40th known Mersenne prime, named
>after Marin Mersenne , a 17th century French monk who first studied the
>numbers 300 years ago.
>
>
>--
>
><http://rd.yahoo.com/SIG=12c6r6l97/M=267637.4116732.5333197.1261774/D=egroupweb/S=1705083386:HM/EXP=1070491506/A=1853618/R=0/*http://www.netflix.com/Default?mqso=60178338&partid=4116732>2b32a7bf.jpg
>2b32a7de.jpg
>
>Your use of Yahoo! Groups is subject to the

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• ... [PY]: Thank you very much. Earlier today I was preparing my number theory notes ... Of course I have not read it carefully. It was discovered 2 weeks ago.
Message 3 of 3 , Dec 2, 2003
>Dear Antreas,

[PY]: Thank you very much. Earlier today I was preparing my number theory
notes
>for the coming semester,
>and was checking the record of Mersenne primes. I came across this in Chris
>Caldwell's page who
>indicated that the record is from 2003. I did not realize that it is as new
>as today!

Of course I have not read it carefully. It was discovered 2 weeks ago.

Best regards
Sincerely
Paul

[Non-text portions of this message have been removed]
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