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 #1100000009047056860 377 digits created 2026-08-05

Value

16963327890749362994320717109859989999339173358529819342305395151412858036634748574532903005070808236330193056869906034366834699425671660051855546338716802501355539381534648641605691741764582947889908514310749786913431331472836426818615191996184120187965912761761135448715562398931046947037922660724406760947873854389993677456274136431562692899714384268706799370676791616077311
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 86 of the certificate chain of a 1,437-digit prime (111 intermediate primes).

Certified number1,437-digit prime
Certificatedownload
Certificate chainshow step 86 of 111

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047056860 --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":1100000009047056860},"decimal":true,"detail":2}}'