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 #1100000009112553587 625 digits created 2026-08-27

Value

1379559697611259211196307786332911084479025715994762880136210418971337033134382921495879139599334053233924741325154722308847415884968468748478692422537737379890495799333087812984015103925048061959463789062334015081693464316024608127748296128560887985149801444494545877126123503686331405980373162693564481583170675066955056919388362383382243674891250764758235358577953641554066565922608673160368473600437483828066590318530768806391824062362083920622023289444461876850078063923345788197757708260463035944075885055252577981453821059046813553623866520712629512844136145615905651057489240538909079178465411490707415592687103894729
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 172 of the certificate chain of a 3,007-digit prime (215 intermediate primes).

Certified number3,007-digit prime
Certificatedownload
Certificate chainshow step 172 of 215

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009112553587 --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":1100000009112553587},"decimal":true,"detail":2}}'