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 '1120158993324972211255069298828652544034626500809624904358263194339777367882330895933223878838766029026064151538507156239906066888489979118456604668149162533596706720617854412599439571571892159902019730269939809151974928241755848925513655056454939610607335025836439255000702505535234435311884038053968658027793728637333009527301876897552347168113875086763075092511953954638143602107737084416450182360534314645629244288299134651863216643843681639254399162094043071505993730396572896023323224987714402538579501879597157020335204881860836494034690394720181964404263378532631526546011049300929791798461704678289530012940692762447255506141251102733218854752313498253126632506697917902321878458598986132975303595694475975661111834851443115931184111986082166247355959647975173819697624237473596677742789550098531898838463852244102880538848824414692790511330827002763412803115819049994031432946679623017919276325321917269715347154734757989335747891214303090451383969374428414575298025952109008838579427636261454053574738419236757669706623869453265684008536922985466032359509117190306729287856301580928925623591641098286494678963627957768147936478362714963061372033701060157496684320780247716920130309762092103777762078323898561004201973134938052643714162914281756362388314742711881848213778638054061513501256174898200622167289050343796536074926659852821267837881227' --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":"1120158993324972211255069298828652544034626500809624904358263194339777367882330895933223878838766029026064151538507156239906066888489979118456604668149162533596706720617854412599439571571892159902019730269939809151974928241755848925513655056454939610607335025836439255000702505535234435311884038053968658027793728637333009527301876897552347168113875086763075092511953954638143602107737084416450182360534314645629244288299134651863216643843681639254399162094043071505993730396572896023323224987714402538579501879597157020335204881860836494034690394720181964404263378532631526546011049300929791798461704678289530012940692762447255506141251102733218854752313498253126632506697917902321878458598986132975303595694475975661111834851443115931184111986082166247355959647975173819697624237473596677742789550098531898838463852244102880538848824414692790511330827002763412803115819049994031432946679623017919276325321917269715347154734757989335747891214303090451383969374428414575298025952109008838579427636261454053574738419236757669706623869453265684008536922985466032359509117190306729287856301580928925623591641098286494678963627957768147936478362714963061372033701060157496684320780247716920130309762092103777762078323898561004201973134938052643714162914281756362388314742711881848213778638054061513501256174898200622167289050343796536074926659852821267837881227"},"decimal":false,"detail":2}}'