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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 #1100000009072283073 1,156 digits created 2026-08-11

Value

2831326776021824522918817291612633872578129523732482683093116420507124156267370625157015330765176536663427741398600547376733357694595586912144169020342572090371419544536589949254477786657665369527643613506289398757015996469946993939398614292869461493382323317997173652335244939254579417910810489014413729184377958333814720270370337617852125117615263276143524438937586386563948130128665114225221428437048804560537481129188770701781623349653241250122300578092182658012738393811372766531472126995088181209890281085112287213164276678623386810092329579031248713236849128955761367025342958730760738539200138525567418675998376184904441101018624840534529993010803623215839713037889791009859677613081406610916149587462884596259672847936112474978708030603139428211112807314078052409871006904181882467380735636672293978229424475721300648710692999635044295756570096011183074213981345749837869580527959866432595641969384554681254958965422337421999557161275368727287690342671585404436764782010543996535846758048364291823593880685190979350392550865757516468659836615328400665139302826462813853177059505922682848617649870660635121415990675585769168479884960826339172001687
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 2,113-digit prime (172 intermediate primes).

Certified number2,113-digit prime
Certificatedownload
Certificate chainshow step 81 of 172

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009072283073 --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":1100000009072283073},"decimal":true,"detail":2}}'