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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 #1100000010596472423 2,253 digits created 2026-10-06

Value

249316554559192778428176643592664129477503772617186439226474242616349998750782589425448178493204917787379990279870230043594753565171482403081906829985152954563864764908071086939944376348124247591123809156315628971962847697732692193419639448978069951827848803903989277439769761959059713141610401428630247088452896544927111231740553634417181560245042697979958414050711766377152876581395787908751006957625067999496932686667878582685230573294278763582142900867464085410248763794172806372114384911169417698844805601401666208090632160238721243825561719015179091299916801988151511782908512653861838067999619680612517094007850143318711944805734605715245468996087174014180831362079307000130553676690898587828852130534208519238846598067545096959534992751709297537532479099133197207921349569676354900106462581647564968013278324579153468793035634523409928635819432671215740577190406232236071868604810680475211581799741874599948901946402368833003666515296753609984442128569290159649387859769471797845863704394053633231699089198977835854305152461725321312974463726782988346341961703664254804908522735469260780340844633497723887182463590346253156577104468926162815882335722588665573143448237725164796490339010501467787856149063252466876079651237201721062240945594086718557561605578958413953208554655413976124345651792937541591775910077403540801465540148820099913946834880515742202683288360309794703338867344186781363260365919776104505718672487942728623207407200292534754887610922004559653561502328070394693372660629189978760038024478502124599396429455973679374188829517398222056629051685722650579555456857793632967837387524192345201066685759286717862109018566873866013131690715421113077202143603645543077543648480459271089306765635276734237588131504514154491079771745708528872116852941752336383707541305717713961320429858162933685718337021097764267348136095518998148554192442045571717146513982804363838233065925422317852096517403706866137968178573790644439958964059815776148853337232953284667731275585476088330858779627356470679617958929034071537043130621919018810224126239156046171362909887688465470892673548231872658541305028088571048148105342448750449652481210976939792423260797603823804033281151338539392368536545368207247397274078225182993222330188186517249637841
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 3,195-digit prime (227 intermediate primes).

Certified number3,195-digit prime
Certificatedownload
Certificate chainshow step 71 of 227

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000010596472423 --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":1100000010596472423},"decimal":true,"detail":2}}'