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 #1100000009070811085 787 digits created 2026-08-10

Value

4077800245986326911390769242555211294281035190985360105855062449673343871965062736223689184214687858374798292687560881920676121918673253958068819543709111027562532087090423925334116943973282240213844294316116012495957792375049210830812248167038828755685301936662734953486345473304820749188042309750736821093339330571082487120729738194719866052275376315547066967341598999763115711352929632957516628167212090656952278979933029029981742798184708889263279708732120539089915904436274225103054984734657629254412595353574933667952698600115924806105231587629919085634063759932809126550935707466419952548570249419863652296344915521972149928129034247059222656161137386456936631097874470685392395906608463628127819464133971640245848718973487777493196937182329367544110591495519136459883129934858397
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 80 of the certificate chain of a 1,778-digit prime (144 intermediate primes).

Certified number1,778-digit prime
Certificatedownload
Certificate chainshow step 80 of 144

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009070811085 --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":1100000009070811085},"decimal":true,"detail":2}}'