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 #1100000009067331961 405 digits created 2026-08-10

Value

260195557072467251373980544316874524986411472097592526287530635041031091586395339594843676793363262240577230524100967154918809087509253885584556164657661624139445182461653259121600585702771715097521572576831081447443516195087072106337878405728048738442664617110719615629531060261339742293875016725250419855053313114943781877189148364571765446060988324866805058280630354628575919070575150653927524651177711
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 100 of the certificate chain of a 1,733-digit prime (127 intermediate primes).

Certified number1,733-digit prime
Certificatedownload
Certificate chainshow step 100 of 127

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009067331961 --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":1100000009067331961},"decimal":true,"detail":2}}'