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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 #1100000008801223659 2,379 digits created 2026-05-11

Value

179552782773955878986013423954177178928155058190445484573578025758911716219946064261416118133454342908842488959231421671048737719240238222122952748655727074921203164453795933925659222518329270555366363381436864829123845601577644372827877826584003306905290119185146166800531344400828783251405409449356167592159222645063160488042939746138965577778541245061644406540762800262551396735947978839740093509080278753984377667304432777564226802113505410052804744576686477484339153247745648573715811060316601771201730052392987648134964320388757160783925146970942754949844844325471677638403011753251848185681499992917466843087176021428377964735717482080737848997718499114408220363025384369103231138181290974979813284883193841318109788651050090138753052620323283869986057194885619955781506057522612412057838318284130249411389524201358863207915993843998167875082293611367772685060678676953472311123163318771826675393398674929678900444206966021296592780247360336893391328601279414164625108003280233970642925572901955656075544825263843232012393384991374702692037962894762065744310589212127321660612301864505555228115529956669253552606531964584941010101832172214183959545787852949105947679503402468820377378423148478084240883638530527730613783295024467134793092135009900985209982127012185704620351812301573107841339886407875562018596460658335754680078805493928320531661351137230456754134432351378036715027757439839004872627358608096549094029821126222602353530368072156098084631907527907827820494942099756684739811871254488943404610733145105241547085335839690000213075829026027473288594723811323632195186110403411651429781597175491892668571639600956669016393475005496227227297026253511395397819528181092745701866327683219206045696322343464679313961298460957604361567871691794493242908968659224053483286017945577166259649974506261651215611463783568382236363131233010271232699025121391906554137363931398908023386536364352104052974646462226858188630896848670313305861381023387178808660049395712005255378888738390568144589366259194509990248433369068622503681902264843028183840998416204612209219659004345670545186311640846062352693348072438133562641435459455520580264452284490628769576421185001468099192849766020738726666273568121663316301125053887568208488193065253683878244302609403747553184763775215496825816781201523517854244066322930868473569575182367565763946569607070367945276357433649210681063
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 111 of the certificate chain of a 4,069-digit prime (253 intermediate primes).

Certified number4,069-digit prime
Certificatedownload
Certificate chainshow step 111 of 253

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008801223659 --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":1100000008801223659},"decimal":true,"detail":2}}'