PRP · Probable prime
Enter a value, an expression, or a term with a variable like 10^n+1 to list a range.
Switch to Database id to look a number up by its stored id.
Reading never stores anything; use Create to add a number to the database.
See the expression syntax & functions reference.
Is factor of
Primality
This is a probable prime: it passes probabilistic tests but is not yet proven.
Build an ECPP certificate (for example with Primo) and upload it - it is stored and verified locally, then the number is promoted to proven prime.
Primo input filedownload .in
From the command linefdb · curl
fdb
fdb number '2343352367332155847645828675569311078246795419067978804400015712766286742762104037115272985222632115301680520916073277405676477895342583402500191714659595699323586504040092461141652202285348537434955955935278855305468195320352226793402875087260190048539573833553555117893182138261711948388874022656359942135771190607301232489387583612887191925431136246154883968535961535919797411317097868802652198208866276053542245153287064588789393124722278523865477503767973768989848564915934857034077567723774306116442380369123265313987108382442049641215986931904524373099597639752921382640242293154760111727168047577405848848086886317317846739501703507783287525990860931309670997608592186568552191229748081953055974452711889652659873020134917344433821147740582123638414136705230144976879741164961441948758182594294595820908153163027431393800838394345245992857372728625081828188857887486285658316597321628411725878199884790392744125979379609048992396074894733055409448957458941950075203367591943959670076586247593163171867142379100447107061359288238518107590071582877535036128185956471461992050063663087756275322945478338913562211923805725532659124001890243042774826611063084973621683331724883432541569465000321184030094634131289012616903089841811290216831344828255071337540464246988543648554344178124659575985118830836535409677906716900818288129129932317535053164359004012290911474266234682829575106329289' --detail 2
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"expr":"2343352367332155847645828675569311078246795419067978804400015712766286742762104037115272985222632115301680520916073277405676477895342583402500191714659595699323586504040092461141652202285348537434955955935278855305468195320352226793402875087260190048539573833553555117893182138261711948388874022656359942135771190607301232489387583612887191925431136246154883968535961535919797411317097868802652198208866276053542245153287064588789393124722278523865477503767973768989848564915934857034077567723774306116442380369123265313987108382442049641215986931904524373099597639752921382640242293154760111727168047577405848848086886317317846739501703507783287525990860931309670997608592186568552191229748081953055974452711889652659873020134917344433821147740582123638414136705230144976879741164961441948758182594294595820908153163027431393800838394345245992857372728625081828188857887486285658316597321628411725878199884790392744125979379609048992396074894733055409448957458941950075203367591943959670076586247593163171867142379100447107061359288238518107590071582877535036128185956471461992050063663087756275322945478338913562211923805725532659124001890243042774826611063084973621683331724883432541569465000321184030094634131289012616903089841811290216831344828255071337540464246988543648554344178124659575985118830836535409677906716900818288129129932317535053164359004012290911474266234682829575106329289"},"decimal":false,"detail":2}}'