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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 #1100000009075279034 2,038 digits created 2026-08-11

Value

1245594484784053032489248679102036505785550436318542355821149666810035338060725122005100595196166447343127746205544984227214953355479321731687543572352753417380163888898391754524988227276184410202805710730478212772616522888542663765999933109490718920891310436370373977648121799818636454745246935388968021668520161673949728069120454045007644208838922738915088957982856818887483128902960129544944072676660575037785767017575395381857124455043977477953185429054993400319800104404817006096529994337895636490737800368506873195886213871840536826339608558155866773994774793173683738386467158792394644044411472235689268238573466528792718230562689397964254401358554967311569243764376005422586665208076597357619497337260386653541491281587932439834605566540599204251824476196108108969445343368514889119023088144923147992631656166734069385164211617256577593363530348713573324041607502326059596414108727766881856995818801329062950507981389336727890210314321435992803656193549273957247217784066944184495640795214296748399828124471360131518580781734967251694559781093925902660283667903429185705107484344371503776179333631581820215812895977979284765438714753504306723774896406368259252295786835207188031724390355919704789475153539480731628033777796860758413314516335758631054037784520003702978295128217071584098473728894739858023582299547024875112443731513399914543551693789735722425785659613849997578684311232169409214207398703397611048397048336057406302052828395020618554306361405947166518405439228846073421252664906723933354678136611505647510092213416210192486844252407098075719209664302520377925354749470092416347971584725604891104419837497868918574230158973117761634563051935523998384291428194933399204930111992703154410107424286829538237747570025912960103236723641278884303388515786115349870900152808388751406813971065796200695406834257849284100318629788253113155277970023224044945403203781843133113469055135712396002100407860974074259622868826404405201841225584677878069412649854215249516236257148026176998403853393623634053920512380045281615844847
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 49 of the certificate chain of a 2,656-digit prime (204 intermediate primes).

Certified number2,656-digit prime
Certificatedownload
Certificate chainshow step 49 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075279034 --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":1100000009075279034},"decimal":true,"detail":2}}'