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 #1100000009055131291 1,507 digits created 2026-08-08

Value

3713200542563655611335683483906745916491722913609505540080511532933269569349543256514343777921872276988029681192238248899332703542981644896846308046689902618469707376107881167650062210407843429183959213829478711185638650489030133349204272009781270632634788527760214081531951682716694853793110584320439647490319761213765447783678315551655149083838913171679783267601341494454459268183093513459034488948495689916206838987852851935628996974887228749584355332933125345593738250920223619910920036530913402826974767862440130579170455918997446909574764909047550489130662993056168647821496721216235638203820193562741231400745074506576496402248281695512533270378317735319683226326445117064346009091440684395190904916929446909089278211649813497075248213227992341278034223664145103509578797321793432768667552208064403481547944259879098976493257266754903525607005547430094062582640647397100369335390797690553974952085480144696130223945374488801476538737134676575212959528100221349469824274813505331992403005468677646696290551728386683640774336757278222992677840167890986069222916521100851211994687119216243781839523019240711499459467698937827328283347476606896201853073131801393075837581748258649411211255244164935500068159492958440040373772441859999014473613346614865320235583008613683936044576749515587571299419798265968978598362766112231621493110814215755554262784874961456553280011616297562368479653115177298283370536897822380868851338148253297574785046916840471649155442678724994345999705904615597999452457229852929
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 1,637-digit prime (122 intermediate primes).

Certified number1,637-digit prime
Certificatedownload
Certificate chainshow step 12 of 122

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055131291 --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":1100000009055131291},"decimal":true,"detail":2}}'