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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 #1100000009053960912 2,292 digits created 2026-08-07

Value

196948371958263049999863196964191920944371937981280624331474371812284328188075883120012149383165728376207176326931916171045364312574602138133595030381147748420295642138573578798714090234469953541246431636552344052886300777490058439295297564492477124269803365954527868997417658766153645772130782398984357669759901239941297917627200360945009670804229038051271421215976813806366075757911278635950604371208324630735419122087468151528022588050381093741018661794531348494539352367190911793172370977693874203639116610077218983574861893998753206259388021471704737865249812075968393622572771084385470253969728505326223141535286442034355182878080904660141681737203912631209923990580194909620164346085244674153203657429081002753147198065626686137082488030393940275265189374497776342646370040371372513966302578436017769564806726560734747740610807285355085281408373911752943805484026487230741450182247258049857373411809263680265916219997694088812246255494560782004876904251851099381615586835385435277213611571585621417137860961736685530049769817645230298070402154223982675838344047083170248668808521748786238272211327229821454682024710895751381741708780228969350021810411905720226176181479223699120672103135541515919436100387040041716902689733305297694340224156070475723726503431293435312093794925547957560122920694561637251438098399766734897555362516053667078951570604969344896416218581945261461768492680943553056999853175920154919061678977760262018516356393202888420422517666188683357068826914071199687682916090371912212135831666115859287926944054813200387061845168441705114661793755384409696274642185678765681825685375719810822271393296026103165576876361221250117409191823292395207784385629642019274414074256218671172064347208436451373853332881634165369269759261062605818861233348123150359629513019270384688424032855476369933142165011766128101118257812813575812245854133862268603582322179682205631944299031197237063669743032610231023430908963789401854101101598571002670431532046362782935556261461867434527780510028161484733682378708364084915278718952926625446982171423603896071432251601799056521176906329942243230090850754790664146724771088291941260660896032980454603022940259403727300736593141957657294269206401747253161041645319895230863187128321471524857979201061594995401866569624547652065988087377
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 2 of the certificate chain of a 2,306-digit prime (174 intermediate primes).

Certified number2,306-digit prime
Certificatedownload
Certificate chainshow step 2 of 174

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053960912 --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":1100000009053960912},"decimal":true,"detail":2}}'