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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 #1100000008678588483 1,996 digits created 2026-03-11

Value

8877160085345373637510224359654258608625286318567006093071580475636293859444326240929112732481163014399539908744666539381007532434132246409158723721923187811186853164561585527962187937291754899895605313662249693975503945808169230852767361811810938225534079493162279565563853695333754863275066724389614065916526084484895510711074083424811940349447367154348612880807526538100981977846764464946063318672499998997498144213039316523980158490782920227581010745804175424137610715513888799278950616107406841453303890574399722494811779811301084185812427280551070120377801048838871252399637803364470767025466336679409030848054019180103264099836152533650740046265951168564913349647988944646042192446393943812578421049896977329601922390653472408210748612227626032072063765929157595086112494068875524347167989266508887780171748105776561685947254267363764583110026409354398216073748542134948517567856258158847519857633348428034179383285872528429862529352910616855443534620891744411205902683392997632178732923801593760139574482919671665251496896706405453364180392441150126414859682557358336321032422084570518899357094126978754342061938151513797822548203355176896181935953668155536794513700431478534966989982017817427594605715988341213522751255809904902377496487638455619074013895205368241047100210808083927926831699153614571048419039114144353074406001401827512519368409425035814883136032353929604411697576865967362516401657694082591693144887213231658306032115772951001257198942773419924899276500125997826578075268842135007527421176800564366422392357495180233884834204787061843079609475414377393474818722026900401115113420167034461767651412740956858742157722199602567847490692867798199603137476453220249969074137955385526544589567961221651925549387628623365619940743388778122319811950524426646004240620176183215057828317925219444962061585806056133780672165469070578180139516944996312988075084946479715917135418178681348352694503797906394323355784994521694621040454290270571955711696591493613625858042171238366493
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 29 of the certificate chain of a 2,398-digit prime (160 intermediate primes).

Certified number2,398-digit prime
Certificatedownload
Certificate chainshow step 29 of 160

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678588483 --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":1100000008678588483},"decimal":true,"detail":2}}'