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 '354457397227337174094522300582469630286399575243365765556478052512867802311667948707186310379141639098910816156019310815850105050870794696724891456424698134195887313141910438644300691379388160729029507562887302065502497233141541874207750081070370141719052177534314402711431230608314952133877653841548173570821553665342623416567220122084605577413157066297563667471891105418406421583479640282340791699404239118324029833504864509357168378696725917004591249097935044470645858380625370881091767825144485292122789990133007250534117438412036198436914379447173851547628125428495423705775919914593703458880482098627211073034896339479290043654926041127262419625641252958053771765865160239990424014126007817574545436562812449917436780407247044310755361484309394412985182043996656366760440097554118780330304076595694899683280985511432232041326544376176842286602971590845992331950317673895967119588511474061880716881553277317600290267441366521863970488298871355965013448189282516453826978608332793715616268912898254039943701359485124759544364013124478977032551882360197309406017965418802287691762108659210834676653950253359216472892259138317124103487504745387705740005107586380984324142685204666340316479104289160803792174784018753238021733683711845441708982890250455621562119691079057982913799723849748758925256971081987040800319067073414348247368692617840870428775523876908795088146548182352007406229987158440257006752175320206770486043236449300821891083843343236386904315655003387181069318309357734244233872494423466483714071543521190633260835709594148598361704745581961345933193552302108865280127744424161853943974892687766777517890493991335034090306413875991530700978656191491485897661186884722889604843907430808132184095996517591383026948103182146746830409418500157834889762749719153100463' --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":"354457397227337174094522300582469630286399575243365765556478052512867802311667948707186310379141639098910816156019310815850105050870794696724891456424698134195887313141910438644300691379388160729029507562887302065502497233141541874207750081070370141719052177534314402711431230608314952133877653841548173570821553665342623416567220122084605577413157066297563667471891105418406421583479640282340791699404239118324029833504864509357168378696725917004591249097935044470645858380625370881091767825144485292122789990133007250534117438412036198436914379447173851547628125428495423705775919914593703458880482098627211073034896339479290043654926041127262419625641252958053771765865160239990424014126007817574545436562812449917436780407247044310755361484309394412985182043996656366760440097554118780330304076595694899683280985511432232041326544376176842286602971590845992331950317673895967119588511474061880716881553277317600290267441366521863970488298871355965013448189282516453826978608332793715616268912898254039943701359485124759544364013124478977032551882360197309406017965418802287691762108659210834676653950253359216472892259138317124103487504745387705740005107586380984324142685204666340316479104289160803792174784018753238021733683711845441708982890250455621562119691079057982913799723849748758925256971081987040800319067073414348247368692617840870428775523876908795088146548182352007406229987158440257006752175320206770486043236449300821891083843343236386904315655003387181069318309357734244233872494423466483714071543521190633260835709594148598361704745581961345933193552302108865280127744424161853943974892687766777517890493991335034090306413875991530700978656191491485897661186884722889604843907430808132184095996517591383026948103182146746830409418500157834889762749719153100463"},"decimal":false,"detail":2}}'