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I think an email should be sent to all the members. This new prime could bring back some old members.

Proth_sieve 0.35 now is faster than sobsieve 1.34 on my computer (XP 1600+)

proth_sieve 0.35 295kp/s
sobsieve 1.34 260kp/s

Good job! :thumbs: :thumbs:

AMD XP1800+


Sieving 295 Kp/S
PRP ~ 195 KCem/s

If I had understood what does P-1 factoring do, I think it could save a lot of work if it is integrated into the SB client.

When someone starts working on a new k/n pair, the SB client executes...

Hi Paul, you can get the |, [ and ] with the Alt GR key

Alt GR + 1 = |
And the two keys at the left of the key P with the ALT gr give you the brackets.

It isn't difficult iif you have worked...

What happens if an invalid factor is submitted? Does the script verify if the factor are real factors?

I found another factor in the interval
: 7088930748583 | 24737*2^14280367+1

But I think it may be a duplicate

I'll check that and tell you if I found something

I have sieve 655G (Moo_the_Cow already had done it) And I found a new factor

655009757159 | 55459*2^13313098+1


How could his program skip this number? Could it be a bug in the program??

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