factordbrpc · fdb
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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 #1100000009021937967 2,497 digits created 2026-07-30

Value

1591888666007048803878961812841570321760916091963631078281714979030842010828488780231356362893172610646943977303015077136445430509183578998916126706410059364090753842448817055463200004113605353634418719426839545167149376356250254170587576671737993422429790800830658381422979259191480920259037503210154454710166574355251251811155277202161220220364615901959284113210643169834479369613240638419496803187832803840735038566616359627042282208640530878211949811785468691254380187171818166937432644399300659884990489985685485643100171205679058503806547916825909026053279555432930691272820727576558669139778046742761935746023474226674113395324856964290409029157984707693636590049862345411345686725600031285249740728519695236937122223777677213449897454658196633012671957387073714576369448034469798866361732317579258310660265942896656997173700831293753277350655739445921643061566519422463579292650814316254727513888284190127897375398609972847187662620538993587855531653586865682837701088528282525843113381238433890884975227097573318564002530047358864393701161455974245379759010329724682550497653618121005162058696924961188440009470734249457185282729037749130749169685401581389979155799238093477306438794054466772778157668379777759754225181525490179983102504192660240928006732369897226845895830690493442541312662152811734771544564858544492138106470960125050167228386091974092778800735797078945570909753573007724348955825396621585845943761795876956734286139051395609250664896551839218231007572443159825014971598521744729407860452162108456715791412474936946233029596088197407094594027873484915054985633273124560055206183214146732569129225900522723587799630258958027737306272244660567076233073828502102945080268729975958665650147138095966129073486499850709794712823159078984824368137399267207270211947068637162824401911642512001113588325368532516528761583079761958797201688655746695469005637715172056343469205981390849158556770421491119174612874051999081717299643304164670652045055811670894258533071812217049384131680075022985059343254753246992495569683428301089694107564696414678279404078445020951374019912472699102212990044785294721387119676375884803168707695868105944177886724968556208159827399283382883812548631325750187640717995440238767469193979112382871168272805586458051543175492629347374975957449655341843589128275858194836653315657690496023732677204290265831202654306463458748445316346632580383502605512751271644346097112392446178511745092619313081727227821037587630891104190924295075728704397910285153
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 2,737-digit prime (219 intermediate primes).

Certified number2,737-digit prime
Certificatedownload
Certificate chainshow step 19 of 219

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009021937967 --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":1100000009021937967},"decimal":true,"detail":2}}'