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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 #1100000009047427025 1,199 digits created 2026-08-05

Value

16612210219079968883294766678573515108118469088289541267938987933767391923236772079126857506105780879659206766048833353972067158264903915004746362472488800016618124848239243072062815769471636231884242633235146902209527754096398367549631820822435434832870109260188900589218769830741340121758186295494254022816458417948825469405227871698765113001632893444963955412424345430187894352787838119976959804102764688051259114069010551164050105554943182933369905764506047714690452026530915388751005387097802254251194942624668156321965079995891602495886846801736054577154073102096899608997341743634974226526258815431865111628728710281603425588492335312506481613378733214172645446790238879425639315017408486598070170348815731258104640740105030692557704153899990148226126334564795671491019964317553363092440537651057964308216544933492693853574876217740194230834516889644736930588197706127311388003722566492568882477508705412509587274054818729913223002432403214805291220395234401623955620890173403651186346668264257114914962529232587115364831629131686919015968852765074658075229029038772947422264877329229753634721319429281950045296398931221751683790835313024194990015314555681325649634537278825166700376490457871
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 1,456-digit prime (126 intermediate primes).

Certified number1,456-digit prime
Certificatedownload
Certificate chainshow step 24 of 126

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047427025 --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":1100000009047427025},"decimal":true,"detail":2}}'