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 #1100000009054290709 571 digits created 2026-08-07

Value

2666722413797339478262357240098770243408496209771823313903252272128304470816396280303297600110830035845234250152568142955446153558962511400138302255621546427787392153170367783647035698987335782888598654226631145296665032106488813292364991220920848029222312479721899875748258998724365499512296411120461215217702736706619617938098661646811384588600843449174870458157877335109967759715334019055909555516561099415023448451782673522763112939383808072722788154036760520436225718463421289078154654701819476890743228861137631248881951467538308860353121251261227592087460329306183
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 91 of the certificate chain of a 1,623-digit prime (135 intermediate primes).

Certified number1,623-digit prime
Certificatedownload
Certificate chainshow step 91 of 135

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054290709 --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":1100000009054290709},"decimal":true,"detail":2}}'