Quote:
Originally Posted by R.D. Silverman
I am all for that!!!!

"That" being clearing the base2 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 221digit cofactor of 2^751+1) for our next project. It has a 221digit 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 23 weeks.
Next in line is yet to be decided, but doing the 153digit cofactor of 2^760+1 by GNFS has some attraction.
Paul