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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 #1100000004888221243 1,867 digits created 2023-10-25

Value

1380117398818436912552868846359638863761629765563954016671662030098433112306730915626516055608965257222170311007134932149117734720452614309645081513105577904417827541895144626422993185488494659764969345876883009395322995472495891257221382078362058497867115789883457638323131730711144633099696968962484405531342677812753364932806335164596617494956063663048483893936421519636385945528917993514206429410161565194180494256256649871945440141926313507367614030927673733855535726362257751106713936698251606177219176327501128697629168865126417095184183135542440294651947154305906427776996064033234660557865979131091633922389083732863741991948553504041267068143984731026377823608390964601443321852369599941131206005438865557804106567430470408781631160432995772273300906134089821058359044771582703856647228918144475736794500191076513144897748431764929579734329882064988427164198315774792879649280199940280804294993030890681352676467332237724961348713882698099753802995477757019286019336508127934397842112027195043682276175872839700819956064429846239038322903887912991769505653891085730935588747846010582954028831420613685852781840131729057738992454754688635064062674264434090634805319663973509656507271574125654888077356107217694478881413529427995167164255520483414990971163672448464717798045618495134129024455918593036308672403013897395427728567525315726744993644733819022919941584751722947716570942192702900823051370501671141300178934329877352375502011069898617633161646890795929415683703630631444999690928146103830935437102754121340518985174156341532332549823353039315045339068187711419753096734579948745289947763185565374805739970626845386773138276072547331462221945523248494563168161807513053261958907642354408346369917103909032566165710234061856343315076761308802087534934579510739523414968079619110699524761688451975256090322434189759186585551234623704230909548049498511
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 41 of the certificate chain of a 2,282-digit prime (252 intermediate primes).

Certified number2,282-digit prime
Certificatedownload
Certificate chainshow step 41 of 252

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004888221243 --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":1100000004888221243},"decimal":true,"detail":2}}'