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 #1100000009079983990 1,018 digits created 2026-08-12

Value

1264139218063976517109682142976589986280386376993410851832879664585004814313986344703775631740081984713519997282307662897460528982060242288422786636560556481158713070926289881296616381041381537136349379187702699753754028682940831282915323386803425915540967731780908112605925099639288321703546809360796425877228083352368529815187627612022883179093975769878657588974919524689073949093253938335876403263172944447984513206211639083403257614917778770095625328707997048024698076326447405992302693794306129252844823636846855492461434797726384880221188467024178281107668047776747830114600456763733549487084075858938064481937369677819592204378652645116039913661898066786092626562648323477931517716845099262286651124100680721776058853671539956928901524344303933806756946918166463664169664536860589874430079794054181036805406625036252631772747173982324907394578637697447989665936477628354206404041406424050460611838739654789200442239916606579497707043843681632877424370319913227607256598985049830974542419423221889715716588141009
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 1,912-digit prime (150 intermediate primes).

Certified number1,912-digit prime
Certificatedownload
Certificate chainshow step 70 of 150

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079983990 --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":1100000009079983990},"decimal":true,"detail":2}}'