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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 #1100000009061637420 2,343 digits created 2026-08-09

Value

640792373942213312209919047317281982287221168870558009061590589033387933201358899295202989088192908086274333713882122381876987093759012775398398753861823671740323518006093728703783313471081716898616116716505080240205019927751450106801223233747509287492335655163578520834233204060368922503270605217417282838335848453660122181728419197184157057985597604875442572269803612002052224484131799667384854817691309754458365935919259778816743537709359287367839527628829518920981663547187062090715408878397471372052768898663456834507755257830554405806697581317775746657922681045085393179725977146709374882727078466076699509513551789620634174381119059246788348766659280884175644115108327990671903738042504280893858737279383068146230994289573490912391564473843211626924544611430403577405804578110683427202391213881731851207282654776485532259318865901558153866201084345929299335400889604062423093679539118522583556540202303883825821362158189758450276291484662476542205136602725155605821851848909548555056653860528562623550101664403543909795623221301745454490450674207721702516345192826121173173538010631075188768950291228466263154275661796144022781172177837297882017848235319048100372593695226669352104870622042952396677245483810358955444545392142462884924205056228030141595559283109620590425222762274818573271419551282481266858960383018680521840961223029971105392948617126698164391844448694760626593846939705883685396610472805833911153433016926650636299773570879234427455924060081353191933785242632161416671212465799112190563574146388006758818657961446636378894477365587922243908057173670337559714692928786311525842543551221254083912702015884243884220963739218254328674171118766663766281845118909515277615088417385391014222997927624632342776678877769264486816980320673993800169557597170142377149121856889366041972137191162319325535531007748359135766502766803924826988023094453895920536613228395209521074651183871840694097242909543618812931837044363287763351678392821291718315203714204095267310733422231500544000393639348629305170093603091498603695947990946214547358036198783210126273648485116041177123814941484350545369056515359706136571904821322841923145385846287857293120606177885812900323962372270382460460563589936375825761060800110744595057788624861378418598847511538300302683128799762177460230547967810514174476039368055656580395430791422444933522979
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 3 of the certificate chain of a 2,373-digit prime (183 intermediate primes).

Certified number2,373-digit prime
Certificatedownload
Certificate chainshow step 3 of 183

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009061637420 --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":1100000009061637420},"decimal":true,"detail":2}}'