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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 #1100000009060076652 1,916 digits created 2026-08-09

Value

27571093699107400178137345391706485527575716580284506203327787389584077573145255840539308783188548986918173566255829405875066499641182418483270326530525828668713866950069901582634627189509190936569360523106533752645384184858692758253827153677831215877048494449560525319585123475263720074079354624492028694242278528095734496816587460434500323096356870634677907610771918953548784860792391763180356990658676320482299747423386205519250746559847331672989869398068171401963424116602632834217276600231038146332541538315398575061241532367916861699911413257405404251885945715136957891199702738937125768256475855773867104223819282959677061018753067179169854448757646223057462406411910269289822213085342340638594130937692235567450622778102205860306827450029467949720351869564462282202095272325281298506600286056342436577532477522453721087673534928563322364937667268043091969756568273427214124822546248144824259428907032992687058051469490412456579566721389257119992404454018982050734936106824545312959378304638881992230208852965467608948425670373565468973389163088602311044884278242405339676018872395690194476317694611333938882034992804987842573083303565342911008294573288968032491560185792945829764970584208082599248717827556059873314940309400650299610988517137380710681786581124775848535086485071990119243134536092408087592143554251813972210669985874370728006110494505121644182602638835411648544406655873426989352018519428903214077876799984678690420221280168783912669983679318483731174946637198858913875626973910359606306275099099349526246236168983052159137021020987847232758374757651866692397919254032473197432282781159367032431808325692139843167523475450073354068959241685802624690012273066395857852522258936861142235136868188352205800572961314821426090361644561857376319841451162115923908012820987547855370411144356238735777445447156451383687589864636689439695556699471385833604941294380591540791154836291589893521181956123
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 2,611-digit prime (192 intermediate primes).

Certified number2,611-digit prime
Certificatedownload
Certificate chainshow step 53 of 192

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060076652 --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":1100000009060076652},"decimal":true,"detail":2}}'