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 #1100000009008091255 2,143 digits created 2026-07-27

Value

2738946321757571706608302134815236101907211886832008866956473786398396181826735559552479912628022283400219743463339527495964160524133579925907272771093738962394098122809163247915026886700922158896638241358906613885224066300427853104540533836727012435539431424835296747363203215265249180612145962318676532476313997474702303122825499403996509851897543874816613635154926592090351159266478156210839782558759358618267480963849346697907097826886540899181282140407825818840272424415668102489023157443771677926251979824997962340590029752841527612940613693336990277839579281815673497297950862973339740430131112247128176115414870081728375069365059276292419973308141319129476860710734246003162266663562684171815050254124140109743052234131025215379628632493316530192317902233219489014985830629627173647770883191722124861543830546209416747519712925669546263356570760235421348634938662527665242131032443072869411606029327900595774043422447557261246695473488270276683147559118007962204904617303201108983179294524691062061354902286944902354581011300079421117644059844366387786651402284766668874522439376470501586922769145900218388301689969124991849474729409608108887418533113611537676467812292673008557527647083423840591838569124729440390379764567590176602048334926134494052180010890787880089318157622712218495290081936619709619921328868266067115966293759527467637272730628415594247429020715687856845660704846787251364247133097503579604768415471367075347699580205454833621989359510442798451509627500062101454859518650946151798661331945091289590451040773877024541351702304700466580944989720634651760127687935715575276722764845588603696180317011953124838855784345180752855360587958332654054775504903013469733543317458143875169942054125769279006729956783314156075553809425449568870308678464901286567496529399555158916105849635842775315445557301841298828250232611601404361275993381872000603979931410991508276932819176922830992444082174491306689322389966503833547813125635062423143124856701986564967226470425164001350716949119334896000003630985903674388423830613803811354012654854200179605104389683636622549908455771115931860914594898841706667488672715055887315739
term 9599^538+538
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,143 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:1100000009008091255 --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":1100000009008091255},"decimal":true,"detail":2}}'