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 #1100000009008080245 2,097 digits created 2026-07-27

Value

128482500156608644074191013748830919049157909255489653024785039352652778902770326666277516611380677570154687758119063319361199211787523857711588085723192817818217684692645279590249417097922628411440630274956596117534107949238794495291336719353486580369468598919060106602036475353395195402502760590749044182117404687078801089254182538867560457368420272732104090581898077816085021136362571345578696531096301923565842471413427450496663618141473874564513744731336095913734087116495422123091616400293071070848438916282778118636273337212622137375400694577035194449419635066660838639819518265616629175854526281183432724968768660542237091022413106747686386232515126703928422235553085519819668765496980180921823918754863795531724485656167587862906679451797591032842459223391253886081851409677382918696528959604601426921536731476674076026590175088313820157209271224106494599675899434512007772460247604473469506396927717351461783743911185614032737892236912032060494294534010750833295593662365677606491220779832828059063827807129259815811040569927168942218516755617840610757318107017403220488712181158147621077174721975700354444599196781604222165377120063270882431892699849172082094378005343620450692065720893990362840759083069980233231628443679290744791717159899501648196216602895461811549184647864557516652409397653837807131208792983585647280920716961475889728021831368195414404243874091339443965642402283322904953751625862342063853444950920249808363279862487519100480558713649016094078291594100493537591764905372313147686285529399160512790814127885124646905148555206435675846353719387758716269798031889296942074068101121477302271430380315109995863639854374810984383968216234262722858989116995904831338427376734618469976130017252698559227500733717281761234160371778716483988308290420103884529508803116532527765415888361809240121353959153092353757879752067531787084302432970097960754653598693777864422383493036500001960722184016720062534734687966537844655514394308041501040551393236375013396662309382787631778114935040843879336527297289384821285980874931437739675029221331647773590624892692819955900189824801
term 417^800+800
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,097 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byA.C.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009008080245 --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":1100000009008080245},"decimal":true,"detail":2}}'