Re: factor warning

Elim Qiu on Wed, 27 Feb 2013 03:57:42 +0100

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Re: factor warning

To: Charles Greathouse <charles.greathouse@case.edu>
Subject: Re: factor warning
From: Elim Qiu <elim.qiu@gmail.com>
Date: Tue, 26 Feb 2013 19:57:34 -0700
Cc: pari-users@pari.math.u-bordeaux.fr
Delivery-date: Wed, 27 Feb 2013 03:57:42 +0100
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> with some small primes divided out. You were factoring repunits, yes?
Yes (10^97 -1)/9, just for a testing

[12004721 1]

[846035731396919233767211537899097169 1]

[109399846855370537540339266842070119107662296580348039 1]


Thanks Gharles!

>
> It would probably take gp an hour or two to find that
> 846035731396919233767211537899097169 is a factor. The message certainly does
> not mean "forever".
>
> Charles Greathouse
> Analyst/Programmer
> Case Western Reserve University
>
>
> On Tue, Feb 26, 2013 at 6:55 PM, Elim Qiu <elim.qiu@gmail.com> wrote:
>>
>> I got this warning
>>
>>   *** factor: Warning: MPQS: factoring this number will take several
>> hours:
>> N =
>> 92556179448994367391887834053878562534782033760810527051075248738484727059555245899601591.
>>
>>
>> Don't understand where this N value from. Does this indicate
>> 'forever'? If just several hours, it's ok.....
>>
>

Follow-Ups:
- Re: factor warning
  - From: Max Alekseyev <maxale@gmail.com>

References:
- factor warning
  - From: Elim Qiu <elim.qiu@gmail.com>
- Re: factor warning
  - From: Charles Greathouse <charles.greathouse@case.edu>

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