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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 #1100000008799139241 3,220 digits created 2026-05-10

Value

2567656074349727322039148463152511574448292688920718132278069564322870937509584496310634652378232244793293087122300173071548439965250114707748009587829288704993362694463088691210105628824133670740908128388025491236614186926551596847606884359066788357058343500619077699501210212203588677774776810479080330102710445366601368929748699587037187925480133781736430834818786581532971439812368722572321512249175074232852112409071161045018044874078366442168321517665957121787118512436672622153587580112187276701736267670877188862309276158875741669756088081014925255545516760003689271176551482563347294587788791514050616041328828892219299811223271944106727555701652249300581456719493097904534733488550680643567963099362636644392703700081686434233254275595087961278516109592398248108467519211427473986830268781488566121635201911010511787674006240902354404221603527671402636982868579723639601267431832970533317154926682666728245858789641425602639188531351527477760269465464136337576894989672741465930017064770474870078872055879120816033691866305275602201283015463998467772387573126408386695560980038523050390580874879283171283512828340916073125871658403841096918530312421696103474763856854215725609571770771857632264636057286488678319534215077731205265277449267589813289972151767520995215260803411731092195433901494772344475088738349235001326595493872173730308132975118726326299785336409475580983865176922217575482822495100867566212026190431461304377280274681394746608532842241530859515925946432360876795661053828301827802955080669273780824475439908491011109214088302689768288122226518537982150672903901192246819676437150202059876991859334209817860663419205849149003414988992319381810832772691436997609802482075543849333447266152862116230409517135811324200946255064937217260076074548701630393159953569822463603816155519548901900292133609536512423359673261550436402870958954432386588621670375674400052948026138266306201583610596382005437179445941141880388121878870946979558519550955142390821661624071714226557089044859649128482387476619511035543512332276115497391887231524145630189641095022236025910368560746128737102509244969747555481301782589502234823099940650606073330045693035490685014865904575886515035781533615598394464173079732465581268344163770002833138738695312708713763530708059398671909074923296648088264795044189879510907629171942638778641453140217680695686145296417378221414495632724194780676445291186598548689311089001699459014342428328691809442531129082124257316066902009627639992600211528507401389605203457821580885398389325185064834770562289449229391085460797356497284840426060717788939036083817014211327012298823281104057221389638616380240260400683529808299135236207748811552727663405354976395984998313976306886650821475005032067313995780960517736336251882711014414881301576995174322282181448419173551500666314546828314998042284660139659814569493341507280724739826377356477680463835071765707685769399998217785178650863591756675959810142043041437579633980273167989467854754588546715437141363891578833765430622752517982368339199384168340039568525273448921526345943284617799100084053718888016741410224532473642727046892686000136043762902695103101790355948383514183115299568553384340653238750969906339792388827462711743
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 32 of the certificate chain of a 3,649-digit prime (239 intermediate primes).

Certified number3,649-digit prime
Certificatedownload
Certificate chainshow step 32 of 239

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008799139241 --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":1100000008799139241},"decimal":true,"detail":2}}'