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 '86819071215660801644109973658078427653423356165763061052202668702932151427232822676655982769912552818122492042548180090798846045814438713775804897646090511080153736595992517435049396000114213105860065575347499862961867166084321781910613175195446108472689152299446916483268818597530326932738272871484544548185034592468309100588779420182299227474088976744106035405416672115481111929837463152527887740894274540213244591763904844423592202697479617182639791161835321728265147959182130902279622498913210052175454340347248117940141377495551263290824842314653671541876409695822827841570249749428772561636168441835497736120639844642475897400012118776402967153396449621117616019276008411968891135197665573212095459481580522023729928770290301324838278922505905439624992969957270057519825446956889600633696912949687899810814894986731455702702990355631348143412643738233008939741650225782281215559406136737296305593523595564698915605165793638869346664642571531144045949145296055307844753854985567059348930590198712944540618444792807033365404573952780894699085917709164879761065307609081800197851504897681803833339776511047050798332182400118642753566540348668883829167019475359666316526701834234085994231032705078112134740646295326510427824711031229680419905350948365522045022227530501138473001887' --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":"86819071215660801644109973658078427653423356165763061052202668702932151427232822676655982769912552818122492042548180090798846045814438713775804897646090511080153736595992517435049396000114213105860065575347499862961867166084321781910613175195446108472689152299446916483268818597530326932738272871484544548185034592468309100588779420182299227474088976744106035405416672115481111929837463152527887740894274540213244591763904844423592202697479617182639791161835321728265147959182130902279622498913210052175454340347248117940141377495551263290824842314653671541876409695822827841570249749428772561636168441835497736120639844642475897400012118776402967153396449621117616019276008411968891135197665573212095459481580522023729928770290301324838278922505905439624992969957270057519825446956889600633696912949687899810814894986731455702702990355631348143412643738233008939741650225782281215559406136737296305593523595564698915605165793638869346664642571531144045949145296055307844753854985567059348930590198712944540618444792807033365404573952780894699085917709164879761065307609081800197851504897681803833339776511047050798332182400118642753566540348668883829167019475359666316526701834234085994231032705078112134740646295326510427824711031229680419905350948365522045022227530501138473001887"},"decimal":false,"detail":2}}'