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 #1100000009088820939 1,666 digits created 2026-08-16

Value

4717648279938893217272669429349901736943761426634998718850250738356937422474106011818880594456171597234960206802925742171930175037896651836928616089639441522564953360974934688393614521146301035007531991372714641471871318224473292181103050062023478072603128536967839867260854646581125312853202714855032279459046419912560671161296406952112411385628014758203501734884329996787315650530329880623913677241928452416999851379370081293878923849153331459611610719653133421742887934050915570913654982171748578019408978061302770100014756219088015491863245814500542673617073663357586292395954285997513265572053546754400536834213890987450275256628166688669008633464217149825759829080499056882936384137416371427696448161902614190904756765500696535206641644994874283560948791442731640351221377145509420103877585656696219244278750069113947488401222541166265706046522413333944884699067774753727791472918787726183668153872418931392359583562141441541025928527228565394855610009912305629891200883475265606948300799827017728520145355136115057295639758210373389874666280578565187313273424234591789136883556431873069380843835998059113099249084121862842387455388848112932799306941510656510166173558479032840498950372770025038901257396815179201156725115725567285716576332428260277278771369456454279520034783019524749648015669782101650507799538079577769958057989366390749611772504477071837625608925127034182039520883553367820355706338639279316875822511433698657358379253961594999432215170839223398795130770768566856038438000302381851710175704583010911967023879328611960107212349383632337964934313252314165837020070888277090795986547281474534328459325200014721286594126336078273562311387722839
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 1,976-digit prime (149 intermediate primes).

Certified number1,976-digit prime
Certificatedownload
Certificate chainshow step 26 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009088820939 --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":1100000009088820939},"decimal":true,"detail":2}}'