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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 #1100000005725820867 1,906 digits created 2024-01-14

Value

1664076561584381897482213012761274540387633226000272374174309657345585598441978597028104442115192779423891727257772323237579296186752764313905413203979906756629232007537157254210487178671131855212045399764199351602501741944082032149264225155013098710786832311048558875576644621064504029604647996411795418784370175964164252416665543409637641162919038690679408438177780099259588639719000846348829727605006753947259849390672979313945855497371509903683857317299891179726323507932646836780282140442845358717539271736879900537955976104888727188127598132057637756040720841377689164893003367664751981762833054153521337550959138319441120774261302824547473723891097799991006387651324961230466570114459152954367744089387073471329603279798848087691606760345594808933454181219290426705278162758121135773086558947030192540129108509786917894275931899519728410261804178331279817601477593058596415232756333427110591902291850158971225357411690531345319364475653240893621308916179189622819470100118679062700064255231972765965956571101120539219494617733383310442198300021398133160545658941844446255629553920938655349008986400388413876558194425548381965571693635890509365045129671365454540613279355385969670223110145752812708804838472385904036566032579166429370698475378666728450133149625298937158350091564974413362701358396612466252570244038237736210472366560255402443793895020036029564214258878490337400554627348364256734605110235147017968971678223715806109214291638920414254374609231788488528841180288672917047129469328534468587732512859055666520837613717021569404580581097596109352226044314841460058710217373665702884276245700810391318309243276014306376168588371083548136592395827923441201105532892699775806515378308067324097327543797302181956761708576708038001344664178241852557324877022716478694093257879319957624265888996385378059216562630467738843825620725175938217504838234962673510943484820592317483673825432128999323
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 2,491-digit prime (188 intermediate primes).

Certified number2,491-digit prime
Certificatedownload
Certificate chainshow step 48 of 188

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000005725820867 --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":1100000005725820867},"decimal":true,"detail":2}}'