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 '29221834852110570367043329093335980105199772844132947786516216060795142001347095001190562895753052612024204819640914002762193019003356327268233763821465995386329755288231565026405461693995079407332833867438514406111124425169695947304512962849554050417097149936983787835011279529730608349934615699725527249808955227362249542635287876329466998772818860513900261164930194820213287782587166508252363660906564837175993176170766482937210345030856429261948427842249388204596504872894497468761576694055686324654514114663507129177050696936963449910699176832595856289441397775105704361011101938291560223675847532298695691095273223899054203078361543204408417810937101300145063924683483801344973767936870485748129592148435538871857903220294671364078594207434916288108180227738556894380958336028069018410624304805522249675754086255836646141103820659573277395415173445399599246957626353894767897256553144212448283073227243918287963048772728385263173077976386670019480083662548837571095173885875383' --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":"29221834852110570367043329093335980105199772844132947786516216060795142001347095001190562895753052612024204819640914002762193019003356327268233763821465995386329755288231565026405461693995079407332833867438514406111124425169695947304512962849554050417097149936983787835011279529730608349934615699725527249808955227362249542635287876329466998772818860513900261164930194820213287782587166508252363660906564837175993176170766482937210345030856429261948427842249388204596504872894497468761576694055686324654514114663507129177050696936963449910699176832595856289441397775105704361011101938291560223675847532298695691095273223899054203078361543204408417810937101300145063924683483801344973767936870485748129592148435538871857903220294671364078594207434916288108180227738556894380958336028069018410624304805522249675754086255836646141103820659573277395415173445399599246957626353894767897256553144212448283073227243918287963048772728385263173077976386670019480083662548837571095173885875383"},"decimal":false,"detail":2}}'