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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 #1100000009054143048 2,237 digits created 2026-08-07

Value

26784164026009996126982198483165120935218616861515457017945809351292592499180656049527081333213504870054945293737945124696000851504103263994591813801339080686448831590011922692384753092200036638476126579024272242828876023422219461071632118019158180565168467838201137666806798569699137943003831775532663902864408953446464364863929539461558003447045382168080214865175428403302338576596440003393476608605103242378418005787157488434290847251839355199087648939824788854686359506500514794247403349450636849107349455059899071064468032001987767800204446039946697987537236705345071053591892831448226916780769183950108416743385709481741072083713483048030267209349088734166166396254375134809280107515899102222913726142588320865369507783716924798822564948954224564736742958232586966543216131302560826195312425293834181005201181505700806959747237664747410701293875201239065505023032725574845805203877902806377760097065356858017697737234725807202372740396623244952757808293597095575517955134337364493422526830394911439750431269538948299632773957914859751631441425142923324555835347768835620237120872372829379563275278550443562173806441513905001734656128538166447567002285813500964380909508738098217952116072732520530432587368423774412705245696382679262599175547318543027411040167977245948745814111781481395652197488153810866129550584661063201299543230328965733205219027081269849601229527151540463707819163148768172188063724834004547475082428437758497668676724228798118378089107613810698777270659457782722102945510632817775545612483510592392933604399219977372103012672119289862809141525657364931649424718487348985797641830226847077891786565509183090847495113423156604282415743650622957533733128991214801717271302724411967059954188674869734138676369555198434883094213217380364759890247321327086376249122034810098589693577503140979838353474356375445521165066101804373136643576078351243772147760632813819364986861622793907498859262986279655882033303993767550454203156337993630103549412723511908631507317159035334609422095240181753858827855385671382223926551500685586300221070960239884841385456222283252902575100010647554303498288231045308009718918957541950636775405361148314216083169410678125705594398572966139472208292832708842418925805367520021753573877
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 2,413-digit prime (180 intermediate primes).

Certified number2,413-digit prime
Certificatedownload
Certificate chainshow step 14 of 180

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054143048 --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":1100000009054143048},"decimal":true,"detail":2}}'