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 #1100000010595852126 2,801 digits created 2026-10-06

Value

21781456890975016907102326332391663834069811884766060833465640343827274574816608297921299478168272272818729651728990777852371994257858575240195526878424585573189646198983957128722232270039856846397663361166561836654339995087248580977282146000664603843197757232630122750662384088411909188745991734747045630565622675598707312695069376964474604504917649341908506659305751396644151062246554946940543797834075025211117961813462138721841219205987792850333869583111315070547216651332206814261071575928671035889362720360214184332506397724903408031201512712889238047077878282527823800354344241006837450104545825957779233870140147765927781778785620548059940121359643752871892992897422800278340620583440655205185305040779156519880307805431622060461238477319679950973650427052053365534260524396508886682187507295809898802770412041030108564166884195916922033305320824964696722566593979294860181972525178329883729282118675269158849198641247337070524672198919893739909662783899371034682642433719623625379055816375540459101007189112707851786158412197146855256098786771285929394099108998851238514427359823577635819858132535458686238801872868691751497907854670025812054363678705054040444568226134543653318743357138340183981873434030946189583298954099100896114894532781992000261007782304733595954434681697536114080022232243229681777506434824435209549627863041363949940713993328131912697206590936473210466180810136301335102892224782220551906740500417004141984057107224697661054021272087061296635969483970957204238231202185729611997794111702165908489526134667669529806964012086926124134769596102583784383514602144323170410995035279562343983756566845890580655331101790838705145261430541284025286133497846688744764382488377319904355153058093249065558986105351126234005670394330259847308944746734152956175419088109866753264419644339655484825851940398664725303564192024874833041729506327704199930490815328609462139631926076829362907695340783011398473722625468312886964535485702134722663666510243507997230669176523502922610309038137985780265213222245251354028025930837448566218581120752968929704817303130078154760459298655027969930410209141290180894365914334479629513379158738287859144347762062112880625927708353354695782631962799234948207869540879959495185602324346935386018512872005996027851623349852107340882508750868781160913749997367467017707394916503879906121126843842185534903056418998693045365341801150147193204613004781886846138411042000400161538345649511401129812578219143808777428528135128554380553226654970168658034861989581265214482097066541278117651148601248854578821728806670380730232973775871194860245178786294635066095690389055007270855926377894937496405761862341884392597836991324268579414326413527501440045287138105117031577786416463306333983917905544063218205262946842805589185041765408470128938056533847163
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 3,195-digit prime (232 intermediate primes).

Certified number3,195-digit prime
Certificatedownload
Certificate chainshow step 30 of 232

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000010595852126 --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":1100000010595852126},"decimal":true,"detail":2}}'