factordbrpc · fdb
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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.

P · Proven prime
id #1100000009008071989 2,057 digits created 2026-07-27

Value

76308607553406859760219296109407550573819863975239302448438928084596217929956479805709244943928917866998664500133927334098428247309346447407923711581877192693373837466511238375252742393710913573870499676323926755835305862444014529996875199379764766232142838405488977178020000912937517722663930604093544329075534023872468999690726428537151978965984472539841442428982939782401703752032304245695433667530117338787143574684759686967149641846491595669663643907296690925460266220914661413803859664629821710177238831423044690088163164990115292394621706084902819709369858670279919363107561435761734970348854477711821812828260773343720981765900563667816284786490259406974000344120311773133824339688263610002711704773707899126812491044529271661381544651786568296835709174056247033688442066667522804368195838770156188246108851368822063046539894011162640592485528592389950861640355393328000042114880727779356909931996276980330821614227841147401945360969062225886986055178976461485763315310290786429670402793207515951674472917586230217825631502962792335875847316423859036474925383504009538012125804104953167302783405634203382456474440399593579349697738608274258594284144869442566928386038986967885972932849732366597081224945524723455930361408475048774170964191015483934777983184368777386293445271717785910997435429457155089721943309733354634328942887247641454088974745081205332506258417561822313636376266728858017313664121298557784287530524928489747315866583773381488751551742749553950985750365251880015015193830442056389184620907018899157399657246574018528231182664146824448275248534637179006418992136249614009869136297278220047824583372329583718391639088980270282802793088482569668920740479137999751592684380126521411155765463642083640021356542720183807510788615277240511784108773476737706234152444089221037516203672216998231199943995900740519984644708629108684324060454064197265556683043244351775303877647167431383070278298823898888621447978550758876354930015485772089307549521664456791026117996582568801337215682593672756255454075121791159013349895724668383932711451
term 6548^539+539
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,057 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byA.C.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009008071989 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009008071989},"decimal":true,"detail":2}}'