Hi Thomas,

At 11:47 AM 8/14/00 +0100, Thomas Womack wrote:

>When I installed it, I was about half-way through completing M10540451.

 From your descriptions it looks like the worktodo.ini file entry for
this exponent was lost.  Edit your worktodo.ini file and add the line
Test=10540451,64,1 to the front of the file.

>First, it did 21059 iterations of
>M10725553. *Then* it conducted a complete P1 factorisation of M10725553,
>finding a factor.

There is actually a plausible explanation for this.  I assume you have
different settings for daytime and nighttime available memory.  When it
came time to run stage 2 of P-1 factoring the program could not
proceed because it was daytime and didn't have enough available memory.
Rather than do nothing, it started LL testing 10725553 because P-1
isn't likely to find a factor.  When nighttime rolled around, it stopped
the LL test, finished the P-1 factoring, and rather luckily found a factor
(saving you the remaining 10,700,000+ LL iterations).

>it collected M5290331, performed a P-1
>test on it, and ran 1638401 LL iterations, before stopping work on that and
>starting a P-1 factorisation of M9728591.

This too is plausible!  With only 3,600,000 iterations left you fell below
the "Always have this many days of work queued up" value.  Thus it got a
new exponent.  It then ran P-1 factoring on it to make sure it didn't
have a factor (if it had a factor then you wouldn't have enough work
queued up).

Hope that helps,
George

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