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 #1100000009080780347 967 digits created 2026-08-13

Value

1327552746918199659988413140949759495333030544052517241711653004323157446164574182076003405415375369036788751205429486023098470964557955536915048462676467465707010811624664259868529570108078556287007244743499223685136751827420431791871264995586418170911462925717500748836029403068677803819957258007332260227846732739878332962314512503000267248760062748624189813549444371780954071353508706168566687074882260245778327064255556961050319100242488695646483999154292134141447277978626157898651307778903178892924911510771160424288847157947384593111643832925374696049275204899064071597528106851005377914185076249115440967339277137203940110273468733095453776945271641501281407075449726573699686549763004562802001905871451064331385249376618372078103129277438367421603286948109211969787839476641660193929907309222083391137074733556636373658220546675616334116135018686580812792488699814057227400440698601215602156431529766511726893207795355307133556214588158884439287370284528451
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 1,930-digit prime (142 intermediate primes).

Certified number1,930-digit prime
Certificatedownload
Certificate chainshow step 72 of 142

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080780347 --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":1100000009080780347},"decimal":true,"detail":2}}'