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 #1100000009061477881 800 digits created 2026-08-09

Value

36491684831338279002957747037207935392650836743663796771028115780360015275212061942027662663236221560238687196107550037756618523331801549043967611457141697157400480985925620189389742091612889715471019263487975711545229164961437767202240284784257069957307442747534966075163077689594233487826282821474966538510107281538101571685368835480786397124987655451675678831873751863921987248508591407781518941466458623514070328456501625282096890390912842163348397379407497127280854306605000643465492480578617743316605204853385958582436873196858862686489576546181987238597208578809943296006679267983058647270342044180071109242011197183796041770678887210276701288715921188697791452956480129432923901981125496853523609961790938129454680422942397415391991827032931373857110339915829105818236855850118969239144344333
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 78 of the certificate chain of a 1,686-digit prime (136 intermediate primes).

Certified number1,686-digit prime
Certificatedownload
Certificate chainshow step 78 of 136

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009061477881 --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":1100000009061477881},"decimal":true,"detail":2}}'