[QUOTE=kar_bon;315334]Someone is putting currently a huge mass of 35-digit numbers into the FactorDB, 40000 and increasing fastly![/QUOTE]

I saw something similar. After checking the IDs, they all seem to be consecutive skipping the even numbers.

Is anything being done about the numbers with status unknown? I've been nibbling at them by looking for numbers with algebraic factors, but that's not practical on a large enough scale to make much difference. (I've found factors for about 2% of numbers.)

Removing the limit on size of numbers with status unknown that factordb checks would be the ideal. Assuming it has the resources available.

Chris

PS. Let me know if you want to know what sort of algebraic factors I can find.

Will the db be able to handle the new ECM parameters used by GMP-ECM?

"-sigma p:s"

yoohoo! proved
[url]http://factordb.com/index.php?id=1100000000515340777&open=prime&np1=Proof[/url]

N+1= 2^3 * 3^2 * 7 * 29 * 37 · 131 * 593 * 647 * 1009 * 2459 * 5077 * 21283 * 28578203 * 210947323679011902309460897795670017^55

yup a power 55
found 28578203, and factordb found the power 55 by itself

It may be cmd again, flooding the db like last time.

[QUOTE=Stargate38;320998]It may be cmd again, flooding the db like last time.[/QUOTE]

Many of the 'newer' composites (4th Dec. and today) in the C88-C90 range are aliqout members like [url=http://factordb.com/index.php?id=1100000000558518283]this[/url] it seems.

Around 20 000 composite below 90 digits... give it a nudge.

[QUOTE=firejuggler;321286]Around 20 000 composite below 90 digits... give it a nudge.[/QUOTE]

Seems also aliqout-type numbers. So Greebley is searching for all seqs < 10M instead of [url=http://www.mersenneforum.org/showpost.php?p=316076&postcount=88]5M[/url], now? :grin:

[QUOTE=kar_bon;321289]Seems also aliqout-type numbers.[/QUOTE]

How do you tell this?

I would assume that the 'original' number is even :
[url]http://factordb.com/index.php?id=1100000000560323360[/url]
C90=2^3*3 * 11* 31 *P10 *P12 *C65

edit : and someone add ùore and more prime ... a few minutes ago there was 72 000 P95 , now it is at 112 000 prime of 95 digits long

the person (over) flooding the DB seem to list every prime of 95 digit ... this need to be dealt with.