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 #1100000009067489888 1,348 digits created 2026-08-10

Value

1777169958398859398982122728633639970443422715255425260474626979926177488820722696368028959765558376401295703910828687745568241959660040573370968219422237160755994655563363928939080721224793560231709537756022161288650617408153681813580877274128582393433070186690918202158613104507974371154546313074150190078631108730102742546908402279012070190689588007043833040633696841590400557393887599925118179200070344063437889497936775841397339901681344451553364963508627773908536450242413236861206873470461462299114109046985982640425808610117643083132277173719782762010044977257274483804567246830568872624143672556199097030273832118971401880951682206831194093901216875685847018826595952338285343165050767512129118683835526597820049581875549505665006835187072107938452474431119944809788071377640087842438901367271032945045108125840160985897487817508626224671149384709819823790809343619918377713905764820642944683823605118782368994116934567738163335463835669123166873107332240328945868137423975275423945825843141479697304509893212226100627794410545474477999220554383383650229451460048388554085106435169231384997379819484739365035637744799494197998854093298980482361818564779332507739135394006019448438075960545210650914958750477122436032308822950882699980666170052362066168688007206109424557599136582142732859074079013547930646045282311872009840033832117495637
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 91 of the certificate chain of a 2,490-digit prime (193 intermediate primes).

Certified number2,490-digit prime
Certificatedownload
Certificate chainshow step 91 of 193

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009067489888 --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":1100000009067489888},"decimal":true,"detail":2}}'