factordbrpc · fdb
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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 #1100000009123069343 1,172 digits created 2026-08-30

Value

25556774418373911201629654168203004480157092478428129176628849793318163521406023422997868999156682623513707912222722267437090619277265936598121086169235081540052516104223111937486640740801453845889670058708418576008063200331133456959898261912126170078006624007999192182551609759273149411518845527776175967317996163800850078126219940977035739568898870324286791683614188146376184817454020067269332831620511967168836229421395998665697654566695264807869015949062220055790664941095895781941189552485753042306348190661434135239216550827933278723656767814641266894318582836311116728760415944853818350610110689393760885119367460108780705604271309649027733759885132322322945368418091911788251710914631573466679991337680869436317275750792971580479276412345628131788142282037105250626473952078873783497884497060360472576877736770698273941911532516585007699285824909990660633237757939629081856766498647402547919926513517746013358090264961740645294899075495431670159785837644661751906619515825960318516900116336051013331332823015879126612948362215990228656775630781339496172583977980528835084192669908992736474294870208544764720507050883324384834611649531070816767647425209979136238811
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 187 of the certificate chain of a 3,057-digit prime (308 intermediate primes).

Certified number3,057-digit prime
Certificatedownload
Certificate chainshow step 187 of 308

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123069343 --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":1100000009123069343},"decimal":true,"detail":2}}'