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 #1100000009037628921 994 digits created 2026-08-02

Value

9658108349917105480789226279697725003755028003422347447853105830476694973949246012724488644235082242853454079356585153622902379939103535412280880166637149670908131669456352856952198643143445793281850886159997870965305775522678178951101018945753708119558230027410127250056698250347125310675041224100889108369626114259675667197065168180571061549541480313708693281314511100207363857614692260948074330735965127758983194991533336122725046122540850605431573803625960929362663941828906309636008521570328601816422527160402910841858279428200119516548400882970003975952728533571337034212613455805509244776959783486505040313746933800834510476024873650583314557283902443031049872433627494071194160839547764144459448075114307860046750485654662152542421908812592188072940700466725502357766759094156337656800305288218122774238346090641019511363205998916655757641755135900027439547421243370698237772385640103747181693527073019708010383978280995601300945475285151886925593244753277391762187393734469623548156969
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 27 of the certificate chain of a 1,247-digit prime (104 intermediate primes).

Certified number1,247-digit prime
Certificatedownload
Certificate chainshow step 27 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009037628921 --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":1100000009037628921},"decimal":true,"detail":2}}'