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 #1100000009077839365 965 digits created 2026-08-12

Value

42719341691553875441412356880119553071766474133021666270796714082891626404456996984809800450700052597668066358817579556597972847127034588286411166788519300110854267472896678341957013937325954699082637446754323220681854296269106407613761809227544911272381951293516940400653477502175264224885466292439719857230578931168195226996319810343295201295590581401997948275690131999072077802543659637910721234122975892847168865397435775099578673193681538027747995264947774019037421104132805471983630824698569589736703735223927102855218189135511003658817309969607107735978418220458654600440765607885798476096096981264943344372206644864129976953718783158905053242545805601383081662011333185565576173267935720772220916462017722324412438278239013800559965985555764287510253939193540865465093789430301872324954558726814216127537755072186107543682294310081592479725945021095205134518199570493690196311428279644977103638423061205021230410651332102094792614164985651309226609912678423
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 78 of the certificate chain of a 2,023-digit prime (152 intermediate primes).

Certified number2,023-digit prime
Certificatedownload
Certificate chainshow step 78 of 152

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009077839365 --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":1100000009077839365},"decimal":true,"detail":2}}'