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 #1100000009042288115 571 digits created 2026-08-03

Value

1305295925305764474409983198158462179514803764128677444747564331754651994321876546665828339351994936262168295006546796560774096882585072084564766974020860998748314934774838015686022913912235581536361686839474522965267485239427006316276666494327267668233921879554489967065624262095181812008256713138499919206401221394850978012246395395238354618814739563589876021770299168533011406143533395486904268601627242520010767137565255544394895531888901435532472951002464851562845249837637014123912088395397078768194691159279051786231436571257134618309414341507647475924098960993777
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 73 of the certificate chain of a 1,315-digit prime (124 intermediate primes).

Certified number1,315-digit prime
Certificatedownload
Certificate chainshow step 73 of 124

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042288115 --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":1100000009042288115},"decimal":true,"detail":2}}'