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 #1100000009056499239 1,477 digits created 2026-08-08

Value

1038940585228888770309318973493788505655534746944616725086986127113127007575836146755839525995494595274485814745935909411386069369817136445589249497274895720526281115683501251834643806648435145007870355300801584013224058204834711785724939391783801691758944934133946004497953446315062357529031561654943874790565983756530093697128636164017286345284056273920518868820989827124172028552029922075136840662154622630568816620554449617484632257023124707007558022722700076879497281464500472677144401488538982431191007031080642323412504612962669097549782169010948990796973372702652126372059989982961796425999372987655650153527639278397025683275500339865524860969576234776971034699063322536683825445087414105808214298209870963672030296231612817621589511600810524234091199650878006873440930245921050584471126993118821390451887976571723254566488456835091138763442916532825392063715259118397864778262175822026269797458475973056115636755510263592374526429460016617145557863973670917940337188968389630989838863091730040402858197138816344838244816846255786866943396180560876060669681521419722236597114891696447247149377229748765038105780065354593510159932858109295333887054974920022041761616636120247046916997498662635387503026924473564056554155704520694474964804620395988455082153443419512992652021591621875948265649955323242835019841184726405759327879594377634763350293548634001324682551900366107891541766749067449365628743117727286200300619463665668495766733038518887875624481673560517396711
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 63 of the certificate chain of a 2,238-digit prime (177 intermediate primes).

Certified number2,238-digit prime
Certificatedownload
Certificate chainshow step 63 of 177

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056499239 --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":1100000009056499239},"decimal":true,"detail":2}}'