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 #1100000009054709405 503 digits created 2026-08-08

Value

16556027773850156075625371593265176624985945828525658202624761664770532783769945024786865272845141618573892633177818311687223850193300875801566214283267499102541622482046704321050512205728485216280260294186996853299088168932894563871429564873357265963608918226304052751654511522580513483035057477697765357101965721831524650984597444929299929977586232956312783155099270261137527704832416253524026024111120520988614238496435006729657683650607859586330887629764279449908140097032379615087689490096508098737
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 96 of the certificate chain of a 1,632-digit prime (127 intermediate primes).

Certified number1,632-digit prime
Certificatedownload
Certificate chainshow step 96 of 127

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054709405 --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":1100000009054709405},"decimal":true,"detail":2}}'