Re: Surrogate factoring ideas to ponder
From: Bruce Stephens (bruce+usenet_at_cenderis.demon.co.uk)
Date: 03/22/05
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Date: Tue, 22 Mar 2005 15:10:28 +0000
John Smith <JSmith@mail.net> writes:
> Lynn Kurtz wrote:
>
>> On Tue, 22 Mar 2005 00:11:18 GMT, John Smith <JSmith@mail.net> wrote:
>>
>>>Jumbie wrote:
>>>
>>>>Factor this:
>>>>
>>>>8473865710237493723946198263649821976398469181345623
>>>>
>>>>
>>>
>>>2360209087377863 * 23196547792409844187
>> I don't think so, since the least significant digit of the product
>> is
>> wrong.
>> --Lynn
>
> The above (erroneous) result is the output of the factoring program
> (factor.c) included in the GiantInt big integer arithmetic package
> available as a free download from Perfectly Scientific,
> Inc. http://www.perfsci.com/freegoods.htm
The factors are correct, I think. It's just not displaying the
smaller ones (3^2, 83, 97, 163, 13104721699, according to PARI).
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