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 '58611849245269630789774034492575449731531553131437388642823510878750404539668528051638800909112636038286193029204152628231591931736263095217702706449174823048723061609060287194278007836780130739785548692106214304219331293573257346830387140330668711396474084555921628732661832699433732280076382081408306312941607629799860523361432666065991565119296097321601268747355112455139155832557862782144563074497102594278441625705004402977394634293397090247187925894863407778322682720229128550051968572415071274841478594864799500933110469600837439138055933981880856964392820592335502029510976188644582939550954205606017061981183931546939204488868983644416905052047782223301844835964712927820488190966208489375787429869413523933458096107647625249629988123829344861475758693893757078855234436874779119948778397831302187908974310744222104449188127044779659881364733400167676374493440929234809568813532984892849686213956883789792739762758135836028051759600593088281369099752298786780434253418106317444462845092209407346191373037967952644137869037624628469679668126888535030466654848244243078405830321255827915075280681293034070316630810386268798052189800254118201023284534779131720713' --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":"58611849245269630789774034492575449731531553131437388642823510878750404539668528051638800909112636038286193029204152628231591931736263095217702706449174823048723061609060287194278007836780130739785548692106214304219331293573257346830387140330668711396474084555921628732661832699433732280076382081408306312941607629799860523361432666065991565119296097321601268747355112455139155832557862782144563074497102594278441625705004402977394634293397090247187925894863407778322682720229128550051968572415071274841478594864799500933110469600837439138055933981880856964392820592335502029510976188644582939550954205606017061981183931546939204488868983644416905052047782223301844835964712927820488190966208489375787429869413523933458096107647625249629988123829344861475758693893757078855234436874779119948778397831302187908974310744222104449188127044779659881364733400167676374493440929234809568813532984892849686213956883789792739762758135836028051759600593088281369099752298786780434253418106317444462845092209407346191373037967952644137869037624628469679668126888535030466654848244243078405830321255827915075280681293034070316630810386268798052189800254118201023284534779131720713"},"decimal":false,"detail":2}}'