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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 #1100000008804968748 4,448 digits created 2026-05-13

Value

13077251482685130745020096942394013507203021176279848545162211220077043157392021304433136392945952184239351822923607648314219524299758478270394176604967238244216006402084559429133591551957857112531059265811039342483284195048447710036142575554104127244212274629997032065880762004677063993837144149655869403762825801453033608821472558965765598139213877263046230475467847665069059038292140417192480841591338790377088414086299949894861721858535102764146384811091741785027539117541736328880560040245494191459191369979392582279683131383010118494012518518267729841535203245952820928952159543611252341573615241221571198997829326298817593051755670132871966656978891837530889023697242252128629155882714313028186498914038906815439975096003622846767946683625607239996613336129037970988875483184742931715879597146427734345759980279511098225192295541641204740688458784326893372736570739880036501648742727566386484647228646229040690030721067354850238715997853450452074718752180727276973194943087626617517426541737436368135875152987497031876620029935287531591109061377803561298116835740654779632739193460871656852635940330890841367181477010715197360494754401831889517410182516082615330373746319455185065327590836302434598970404744643900254110811525205369609914864384518441562389180189243256769956508004666050267549037051427732948464859510060038715718503404660183423949376627832817951492209953990059100314563974836874042858347849967852261752353217249782650492889725976968853895600388821311938552445624800408890744607554544750120328911276224944855616825194999890918491802451066823619672479368514384353242077489403178903401059346102652827742658816411513837033720436864749549667698816152378114529501727112609702919794073123585186808783602849723002668733726689600151779295181780193746412090183174741677623313195784299551117387963749882033156771566916052907496254228280738292361253562979559019084203160522556710138973696605913674240011091999862552481864674373175155263025433239623390404470437245577754338930906081720106494522666784547574726077267695596224177600336219869032599642811439567925799362534685342499137282936854170164019010588681353729748921621252685869309948533508287860391719509012445727397383753916913275775392405819340773343635840466787058986607316015040466850583544751634649862881758428890090619476566042043003707061168980296935747891367298069014504976799159822752232539223691886805490476266847815388331861344131318418112304667823162662454351311969336819437729932053528619780513304640899164910146264030781728666030686680880938963586899387371259986207813771496847624411814183297701180335487019644716240618511391052824991351166787174014958593706935083476462585688168247354473987295113548868056715081285208239285743543388024546020753305781999983279708678224871667469749918566289745868647988771385666157017432605383160713682150541634464359791773191042465217764939937178821456666405737133699604631324130195551606449985199326570547389391759898037907041449492304292780046328262038319948405659379149475467642446398121675660623889599338218008779872981914041014665061913075153788227013794865818616631279385766017186221510806613627853718944764038613293483465705363138132553825544957668553464111029088494034818358775288923369108568963863341903928522650389609033012362730513464922433524887306643519034301960537733966199473739108573753874180908875594290959834016819565214250410810329075293901897073865891483655150445986443995888864679264405042916158428175472499727416370696918629889212400778718685668679591371987223587357943063703818959432709553854481003160348168196367150897017876668275013818114910487245505285307672617427872469041581099796229797649372440221209422429332598580868580688490145583271782321411821402627122999837449228290163005696554178561576127781357664212190445164231933462301119478861380015723678369920890080839562945270424609533976859737160657345762068447458670046655089009691548541881477084865147392261381046035250799575553774330515646986209564547283621827742804594440992321186706042736925580838972571920418632014601946443704408607729752402792002969412471926802059569668568532956918900362760241828058543295966326660718544735579303419881215265921699066772853509773244508043480466732707643820675071427681809706695752264336984046657629985490461417257777815804103300723134934184520201437812406964122510696389126384531802982263782218673007117097233189469864369269330786452446150161236718649083023766354501327146868504571864759869217351851837876977637681357
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 44 of the certificate chain of a 4,970-digit prime (333 intermediate primes).

Certified number4,970-digit prime
Certificatedownload
Certificate chainshow step 44 of 333

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008804968748 --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":1100000008804968748},"decimal":true,"detail":2}}'