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 #1100000008677878086 614 digits created 2026-03-11

Value

31965872591330536484928209578557669168447444188333916171956009884892380312766548290587934523644628891893688080534419324052410391705223819719070568056097719516391924959132164395591928907963868824025484367610217677302818646574433057182199180310361457411228388792655383928665892065951816091040251485475241442080101645940065376591687371867472197288515767065601609338114633185841476178448973887341396360885315482283761051080738351007738329921056343073498557678959756407859487725048322739004171937213216671417974480423052122413705962407927476805356855501741727749744985150011306938860551638394209397106957059994935993313
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 109 of the certificate chain of a 1,740-digit prime (182 intermediate primes).

Certified number1,740-digit prime
Certificatedownload
Certificate chainshow step 109 of 182

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008677878086 --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":1100000008677878086},"decimal":true,"detail":2}}'