## Huge Cullen prime discovered ??

Expand Messages
• Hmmmmm... 3 | 1562533*2^6250134-1, but what for 1562533*2^6250134+1 ? At first sight, this Cullen candidate has no small divisor... Mr Karsten Haesslich, I
Message 1 of 4 , Nov 14, 2007
• 0 Attachment
Hmmmmm...

3 | 1562533*2^6250134-1, but what for 1562533*2^6250134+1 ?

At first sight, this Cullen candidate has no small divisor...

Mr Karsten Haesslich, I hope you made a typo while posting this result
to Chris Caldwell !

Regards,
Jean
• ... I guess this is an arithmetical error, and the number should be something like: woodall(3125066). This would fit in with PrimeGrid s current testing
Message 2 of 4 , Nov 14, 2007
• 0 Attachment
--- In primenumbers@yahoogroups.com, Jean Penné <jpenne@...> wrote:
>
> Hmmmmm...
>
> 3 | 1562533*2^6250134-1, but what for 1562533*2^6250134+1 ?
>
> At first sight, this Cullen candidate has no small divisor...
>
> Mr Karsten Haesslich, I hope you made a typo while posting this result
> to Chris Caldwell !
>

I guess this is an arithmetical error, and the number should be
something like: woodall(3125066). This would fit in with PrimeGrid's
current testing window,

:-)

Paul
• If I submit the posted candidate to LLR, I get immediatly that : 1562533*2^6250134-1 has a small factor : 3 !! So, if this number has really been tested using
Message 3 of 4 , Nov 14, 2007
• 0 Attachment
If I submit the posted candidate to LLR, I get immediatly that :

1562533*2^6250134-1 has a small factor : 3 !!

So, if this number has really been tested using LLR (and not a smaller
one...), a false positive seems to be excluded...

Jean

<paulunderwood@...> wrote:
>
> --- In primenumbers@yahoogroups.com, Jean Penné <jpenne@> wrote:
> >
> > Hmmmmm...
> >
> > 3 | 1562533*2^6250134-1, but what for 1562533*2^6250134+1 ?
> >
> > At first sight, this Cullen candidate has no small divisor...
> >
> > Mr Karsten Haesslich, I hope you made a typo while posting this result
> > to Chris Caldwell !
> >
>
> I guess this is an arithmetical error, and the number should be
> something like: woodall(3125066). This would fit in with PrimeGrid's
> current testing window,
>
> :-)
>
> Paul
>
• Seeing the second red line on the status page : 5345289*2^5345289-1 1609100 L498 Nov 2007 Woodall I am now almost convinced there are hoaxes... Sorry for him,
Message 4 of 4 , Nov 14, 2007
• 0 Attachment
Seeing the second red line on the status page :

5345289*2^5345289-1 1609100 L498 Nov 2007 Woodall

I am now almost convinced there are hoaxes...

Sorry for him, and for me!

--- In primenumbers@yahoogroups.com, Jean Penné <jpenne@...> wrote:
>
> If I submit the posted candidate to LLR, I get immediatly that :
>
> 1562533*2^6250134-1 has a small factor : 3 !!
>
> So, if this number has really been tested using LLR (and not a smaller
> one...), a false positive seems to be excluded...
>
> Jean
>
> --- In primenumbers@yahoogroups.com, "Paul Underwood"
> <paulunderwood@> wrote:
> >
> > --- In primenumbers@yahoogroups.com, Jean Penné <jpenne@> wrote:
> > >
> > > Hmmmmm...
> > >
> > > 3 | 1562533*2^6250134-1, but what for 1562533*2^6250134+1 ?
> > >
> > > At first sight, this Cullen candidate has no small divisor...
> > >
> > > Mr Karsten Haesslich, I hope you made a typo while posting this
result
> > > to Chris Caldwell !
> > >
> >
> > I guess this is an arithmetical error, and the number should be
> > something like: woodall(3125066). This would fit in with PrimeGrid's
> > current testing window,
> >
> > :-)
> >
> > Paul
> >
>
Your message has been successfully submitted and would be delivered to recipients shortly.