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 #1100000009117856147 2,513 digits created 2026-08-28

Value

98431218175154365268209019352588608194222435192678755342454974108029399457535751824930149940776959986642707150277001564066214815751755898916491671513016036952533049602037943163015668847050038480512698482732214529729377370642891360773170269508209441944336058905177621599710553111440354234622209346968677873989120340559343100595913786134873856918754161505347852372995825882215392767357101001210533169469613796701568059486929386868879145215915514233057102488192450223441186049502168615304241792702089642529834225408752746350544754489286433841970047371130139354709148789108486995021953582964769792080663978353518512857550924692241582981895335773365819666842275006704625701670625724737042611114689195719695137193962986227444073990423042635304296756738947490001800509532594083874934905806993396018681339978134238125512914163122702894751846053397680393700857841973732848510454314303418484727850784355366302011671135170600445383070224262932487285858646373795511714743102497736982416565974546945691798019107786161256685127459574105170480195977203834762219306900711391620117085774487546220038264059777261297582452695024543280093774898738056777902246459756285577662750879999749356121759473264122066986627053497048194725684923128593628235430044706420183557261535710295685226043707043383114590756990360145169327762907546166727162618103149931712282534490127683195638361177631780264451226054481639558304050422081489408161722561990759324579008915582799097461155491932103001836139063233087751009560267532851857500620469740206643613294487690857383067166030493439221562532280308351381053256099436884658513851032320182625032722330403591115593792461008285680953151265582713913754146149777870773742947242148109429535942703935330504292813561841486169171263558765786901924399338982490861301515097449256446738579008696499900751197510363963669416149245115937674282383370251733954047268549681311196154963502829379760262654686260535595957176881823266191552340559970186680613015327643955282663929918864237042664989681415388097197222728201781208948776560893860318712533547858144245377172385407653590862742229246162053763152541132553553444975977770100715313565713372642464736378527496862405795132305785591640368938867480914967075308809195057290884689503372228008895216059460738172208039398438187173429495936878413368824486268659566399640837897793544516753631642239604433600571817590694063186507313730352956597779351472284789726562633539279868908766347706934635848487616299673289173449071753995061909225451573039791089534246732175580942489286927
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 55 of the certificate chain of a 3,049-digit prime (315 intermediate primes).

Certified number3,049-digit prime
Certificatedownload
Certificate chainshow step 55 of 315

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009117856147 --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":1100000009117856147},"decimal":true,"detail":2}}'