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 #1100000009055593856 551 digits created 2026-08-08

Value

39182957916881669745525878903251891489710243910452842111319990948714249046156023888813633355044955756403447833168595022593348667231826297922764923641657048406585162013538678243293775261223313355358837378598370378931560200219765642677177724699489655939829706510722992375214562046252677552376964136822952705562494172276630697742437515452459432037125017636776125190799779575313976782941095690038262887390584787039466098742406688684022691250853291719702506606211221883001441862132205404509933498448003574685934858540006336878005434081880734811797941944523
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 91 of the certificate chain of a 1,644-digit prime (131 intermediate primes).

Certified number1,644-digit prime
Certificatedownload
Certificate chainshow step 91 of 131

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055593856 --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":1100000009055593856},"decimal":true,"detail":2}}'