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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 #1100000009008060874 2,549 digits created 2026-07-27

Value

10303163300794126264888256141634323871578936236380067534624380229790554111026503223535791386211684101583744769498019870359358775578078020579155043200805339077019731714872505362094259655049703069298988812232741897535381819126664149349613034755368241021475602784474656969991809494640689190636847114826872850337617541101824536539275542805669462327854272048567436370125647592916955334573228298339339556411577646948555616160202273193539324652502824073328616826534577895533988847512301134847482835339303165251314702167765958283124250263793065172853767028208767892860472837115085203752035536228182850398943173543207865912100347249941596739198480913105781530726010144835782565015463557884103669557218320750265634083846005868288011964168488414000746725040670416852748406534828169948560455758256964988081214066370978200194597769716184053046544561461265049312489952760835128331405292357650222242669355605187098572575609039779475410571968113002740457186927360944420556002548257454553089946411943457195853522643987039843769352546645074056065261140759497219870161683809091701667238509327104162918696638161849861641217877672152181087906674277934145658645773733797512483731967304961718283346030649833413021483538392831239401813607866999605799794425422415585760589367459275185508399378775325807419836223253738976578556375016710804194901274255509518083257522616536699170773351227068991135142264874898858644827896937620838355449545442782949923323456875027055415535777220294056179566153130521540156691873767244155671029908152746160213735796259966483438631325400917112152644079326006345184772650066940792350816095920888427287539197228100930139554194151110022314262922338014924523768667788507518603561851072545346525206419348914137973088042839086905785188556262762870789143704137096450048037578753006955158340487872512000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000753
term 2420^753+753
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,549 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:1100000009008060874 --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":1100000009008060874},"decimal":true,"detail":2}}'