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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 #1100000009127305705 1,219 digits created 2026-09-01

Value

1323726850962636961902459328865278938196812997613303941011714169436113067244359337821918491679564892753200396722726512874457323857866104102364884834665922165714285226271083287417158560151471383523413380201578618751658471330244630902028716742707824182286078341270101021925282737936899444244165406026094087296660849852179474396053099985487771386780804220217651655452585867357212183799032868452107686034737771941238023739546157361528256159033815819077593095695062327645658096013651524236364362824516909633305289709678968491177634756682894487656525844360891412119398571263475489513530602467270993893632756261266792715897524888547441968743700535849911973947124203171637802950033048552241255339409001460136311932105800038109101225710586904674214726378496078818043768433630072728367255266013831895157471953324632021282669427577295059500385495950687898434857531112138368748713748380349229820760110339005001045460474719528818781406274400536099076663057796563423978852079289907436253466603870056633873846837998604441748517618292311737209017896392349021778916965603497018630454276952050094057336514216797142480903503204715790968416485922780963727265371716162229133252738878053819206030773711906583658208267626015075962871582256631
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 189 of the certificate chain of a 3,105-digit prime (328 intermediate primes).

Certified number3,105-digit prime
Certificatedownload
Certificate chainshow step 189 of 328

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127305705 --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":1100000009127305705},"decimal":true,"detail":2}}'