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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 #1100000009053385761 1,701 digits created 2026-08-07

Value

545004499027818283034505798991739392053594843738102642233950703059200488400552862403869636526054479245409791300875714771772273397996713092102394432331365242795880355300449771329133904805103344254626854210007389573614425138626718958829038436011067731719560001783992064512535036038146324316677039451765637139110504290646064257969236446846458305604180146176061674497988623565677910889132688790438559230635470369347737423287384822838290282053313970564551273911226650274020921101801669685472360663963435334731669924295365123950022169107789119173204101534495909925915364317465991572257178703208833037617237777385835721054024683464208789512548666091327144884702692465752269451463239477828824494823182574736554266887735741253958749098185636174740819231605687577982048108572174817398517745740502733419376364012603945064204570333361559137014227001149424888242189228694244707497549764157481234771011320225908589853123356584076388136987437391931858152245261413464141831091775527084107719863430336328106364158357693259427929685939708701289380429430904430420397056219076972535686806565603881377603004669717369932465783256643898353286315400195259041608544736235664775189450874838936425163075569044825318471887056757900528147943977503751406703303450661905756729865037506639942867735794858291350969776132907038263618123839926698038687319330484367569604751864812185101144023032592562618723267970199388203883735640720986470453938046794141695926334292452528564788979706806813400669249783234360201800124619651447463063277144854496764291292894090891534377640596081886499863874731225216295871644313458938203522779644167479485956844344156467152644415026024101454984887719344849991831927306797917296192806093629789592590484701
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 64 of the certificate chain of a 2,500-digit prime (190 intermediate primes).

Certified number2,500-digit prime
Certificatedownload
Certificate chainshow step 64 of 190

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053385761 --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":1100000009053385761},"decimal":true,"detail":2}}'