Thread: What's next?
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Old 2005-05-08, 20:08   #7
xilman
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May 2003
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Quote:
Originally Posted by R.D. Silverman
I am all for that!!!!
"That" being clearing the base-2 tables to 768 bits.

There are currently six unreserved numbers in this category.

I just asked Sam Wagstaff to reserve 2,751+,c221 (aka the 221-digit cofactor of 2^751+1) for our next project. It has a 221-digit cofactor and so there is a fair chance that we may find a record penultimate factor of well over a hundred digits.

We won't start this one until the current number has finished sieving, in perhaps 2-3 weeks.

Next in line is yet to be decided, but doing the 153-digit cofactor of 2^760+1 by GNFS has some attraction.


Paul
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