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 #1100000009018581169 862 digits created 2026-07-29

Value

1400401503784873529487779615991504632495161808550118293064867658911856528026365587866314387187219303872938357720104955562780708542184761515320751557403799786684398076485211546384038664746002308851598621977850414416955521215701570870614956343838147107760336654885631102326599543654983750972746013191681992163126960455582433267215044088195303296224472404407562154743950290890872307277394873276191612160468500317594221454378681880171951820172564888707421383554147617409351916569641385181305387961288473211941000814682287603905358702943877365610004013745985266499616849638369871771318709296754611609595018418830252982040552146484512678089908506786164315871632215033288951052844016643803204027741871961997866950232509504551606747381322121098410406646608861456195390697881520536133975433410117461367625530360312227400560328109159267939852288507323422931951530446133491
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 1,067-digit prime (68 intermediate primes).

Certified number1,067-digit prime
Certificatedownload
Certificate chainshow step 14 of 68

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018581169 --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":1100000009018581169},"decimal":true,"detail":2}}'