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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 #1100000004881009955 2,328 digits created 2023-10-25

Value

247088209976956711424822524599866159734669489421408815531251192167687596923968418074021462111495752240399177173683993049796346944771602072236918706633337523608621482541029131206939298973616579502186515358414045893999880314117906832519794303154005122738474079927760897312689252443875657145517557149407400799332835248883609843853886278934869735237133637571387424860500754308966730646419889072730995764222012340844194696644073909135075717755548947847682355508456118929321289791803471163659271930760816904796482531306129409622839077027531342045442048512812301664145605957584564624824183375342490465221220042382030473828428281760391377670829747300243315795797141651442161926650794249409187273291128475745910257817874352409513088102144102063298161107282430587782308908459397232000120498144139341808726514572491786475759429563629355425747860713406475424342037942939770498189434228553589711187456697824390047407389378193172216796760079809894017368306201991146062754481030235323206774535108733776580474914234004971076860846570270246668211647743141036030378264496844619730942126210315778379258887273581961600357536848269106181288280022889643758056818358471464834182151187368277611286151786061473811138940536953218786971493419759585778495904286492697256949717253101524983125179638779330587792415992641891421573561624425434347309780751896789438711936420405489739514784797595341095712231217987006347888556749709721157778327168619362221664182368080767472547333364155785720357669201845262829850737008210959985010122121928149131924971523397835376097786426205866524239109872229872753607189589834275746245195570210393795857792633863156120074007834370778709005505307168809667648866460259792162459335848216707152653389612638227341235642117170247717331978322251867701907281885397130316301117485372526330993036627730467901535923169087826242321732001000779608240958897143652155132384905905082825288813809004138261686404186276581803739500406156660687595306943956452576556531959816756241520670874366123894808177253996505251699537063511086543919245149353607541213164139391500228871797870281463815164641136663173346147535308986183875223920138485789111932043425991156914769087596341541054618298377930993651283373915585504735262789182023565372394070440365756017524572921342974049776218416342018577575798512872074898209779000697343487996167214521953522985731
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 2,375-digit prime (270 intermediate primes).

Certified number2,375-digit prime
Certificatedownload
Certificate chainshow step 7 of 270

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004881009955 --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":1100000004881009955},"decimal":true,"detail":2}}'