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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 #1100000009053803117 2,028 digits created 2026-08-07

Value

469609450281972106250108049659375417746934441624359273825444124310508667260255888770998389622805551935953949972460247767941011003969101040641995304184699218883820444079942151052522120716204033039849798288125021977261016339357188688977641766151561876901220957714680468644027113194923803658932531004520437353960643182513705876132520329076399046068619521120841564708804038617541741096872863571248743287975566051391115583743229301885076337507886797082831848703929310099687489027212907921309638184496601709603827827456466361183855326366783468396664850806961836659198447723240661638199240357850454130844651582240979650287542271350459807446942032180272497942399397025139386400127033941163560395811226657231950521772676329150632805451657648833053467715446101875556106087723943361095898097981669649057998562957158944355447870637790740924249725611921879974156236248247616385941192853102281717339351793263846994769253433411274071325154111827364284032667351196444798560108087969286217892154474923697579365376451613319674120282688431598347584947615237788953180733929005214034869072779826823850682745156237667277421573584565263579093596681543214256017899755672042860511120164759721866833829068426134364723546678566476309887702563735118652055805081367385390114938907462928966724529950983449171964816464805849585048222647175700423702487753978695147079469027316234380914598119456096752375401146439913025107758532147733498326231496924525320927190063043300232729174114326820165205564362294607372884555837234712517768432146391598423146007022320179035046269561458811271856968723835896797065983019612394268065069159869211295839229324844083970070127885439159262518150588465782450350531369680888915658353010129191549042649919493794440261199008609475501964284177739413737276292545155827031869993302430543910646400387538988311467050537703220799516844067697018500843034558591060794787532693999930945249220106074629455868158112396420701922900180937931217733487282841721778327590377623574470459591307716440544447503894708168592475881916457917739327929232281
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 2,857-digit prime (220 intermediate primes).

Certified number2,857-digit prime
Certificatedownload
Certificate chainshow step 70 of 220

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053803117 --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":1100000009053803117},"decimal":true,"detail":2}}'