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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 #1100000009057963523 1,856 digits created 2026-08-08

Value

88283449071638438383108958549710417236495847986785321990842653000937628184593404587170324681105155881357712010866776624506837388484129566198793767423616043147825667298293143147517832251952668350853634486093861578687554471503527874820226687377777426474952198340022794825657332960684791607517372296686347755401569351071825675372963502554310904068288531009390203305218394606597107219903794168122314420800286667514411476118620931432104041331719271814711905843558256466303185517742099768237508014373029835900604837424348686849047295255914391637513337299445497303601762658783515063913877668936447586636439803361764662766888787269587655614259140873383367174874963100709265620767504346725865947435392340660973014208062429629134944679612223025988581647659275066840176446097962850023032647083268799428160734821882930056218559701508619484354081541304620384169963082920609907122218956044567465394428093200681815670104828652013152670086513264596090799574492320158522587849956230056556519033027206580876494750888430593763455709789771243213207967394568937130067470094396379950703681758391229492874567232349727139446970907970080428476324917748562050816893077444151200964113637465944058150008359382514435806801246024797961984816157636586367395203006893943120182434555484748217706455302837270306641299106522608567445366581727662929626102336085091162491782872056363052170076515440823018852279952828611848703929893281001392618929434639729742650478125541797210702800164671714342630354530795270347097434026668470596736248047442924848695758977290945088115143932085810947203936417353469508493764673612150142716515327377814415840179684594997465944150953198527986520851699190962285863460070978197268795516037441715708422294402323146705134351104229426757017944042535498172148687043949586858185316465096829961977595502964614301797917838449375204022375708409064900965002816983910303579
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 59 of the certificate chain of a 2,600-digit prime (197 intermediate primes).

Certified number2,600-digit prime
Certificatedownload
Certificate chainshow step 59 of 197

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057963523 --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":1100000009057963523},"decimal":true,"detail":2}}'