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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 #1100000008678589558 1,807 digits created 2026-03-11

Value

3362364107536549637549747574806045945674947121563510199913441752366668390375577270848218985624789339702006195858759277009988392221326343396660026658972843589638221140455029077392562429714675868625656131797096471337114827693042679930148025395373422269760946226300272030093431906643215716001645482171239381054401916471896555529875931225711690394534090475540308397819124059578214112517324006622529178305900114056037539160357570838186433066477792578740585078476699033267958103658551790162051162467148280635002720267988149976913673053062556895287278790094230060690289814255877812510944909585515084430649205628606510403010700801440203383560760688790270287638118461817299146225041255797001073505593805085424805669538133779430604674814083524697059888059898069247481343739711688474719243065468949558316086323169730401088999116944766669906831122223403160534421620873304601023039805021932737322990502855024386745726570564515141177262357353650012524924303198800102541961613810797652555101965507378903693906025543019738753032005155231865007769175175817430237076486773925717412997482968014002988311774143558089659763513171358706994600130149896121878772956248281978933142924060062756190550057607455958445201094423649367284894146909249868380388612428186955735304123195130758117202595061834591185574463859004288078517444725589879248157905419752607216656760905374640026358526003442603964347783387930157197382870985978237923773454804726356300499672606507282295808643708427405259245059532485746655722278444429786382249351662855245890409037507790584561422777306795762560198432631838654795544590525650507884212726310547349727722002991039509577068459109808795080343003143444522077280907816986575366371394215913564361093978833411596015930797281543100402684014703206155732822801341738371323487553310741888119993510264249282109439649
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 39 of the certificate chain of a 2,394-digit prime (160 intermediate primes).

Certified number2,394-digit prime
Certificatedownload
Certificate chainshow step 39 of 160

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678589558 --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":1100000008678589558},"decimal":true,"detail":2}}'