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 '99336782645919996171349843807088308991370730386762691695080792254054827904840826091600876900184372286762620789132020531855606183157669108082349493569279374720589793946260499087349952737984449952101753261212350006032088227313312912632902535430992177439350675383216193353532664102639100568404505177246408128106296825354597258586973494511152212511448207874582176306754853474812990430055475198486992563778846858502368781592163067899868073627830034258046749866059087266578937024219039726125270033311243974515843639869319987623216095117814434240933478928192677304509195505365300378551898113044867496501550648053595459544694607334271416225833122561409156077608509191366317967403008717200156080345331573242900431119773665826339443534604468237298659420086391799167270701693940652205467237455739333087893724204746928929663755714757591534135856709616306554350091729484987206685033344648033775856066741247986359617097058102317505016389' --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":"99336782645919996171349843807088308991370730386762691695080792254054827904840826091600876900184372286762620789132020531855606183157669108082349493569279374720589793946260499087349952737984449952101753261212350006032088227313312912632902535430992177439350675383216193353532664102639100568404505177246408128106296825354597258586973494511152212511448207874582176306754853474812990430055475198486992563778846858502368781592163067899868073627830034258046749866059087266578937024219039726125270033311243974515843639869319987623216095117814434240933478928192677304509195505365300378551898113044867496501550648053595459544694607334271416225833122561409156077608509191366317967403008717200156080345331573242900431119773665826339443534604468237298659420086391799167270701693940652205467237455739333087893724204746928929663755714757591534135856709616306554350091729484987206685033344648033775856066741247986359617097058102317505016389"},"decimal":false,"detail":2}}'