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 #1100000009028992265 819 digits created 2026-07-31

Value

189403055245368945124249139146741639012671344297074391739332165694091534684762295087560697537908143247965301569749195542212341668159663841216162346528480234999568601798946377073280465403746213682359435223668110457171128428145589389033837293778773597987714445173641331787677117202565666117873440306559127994811230217313456933137715330373975922158517052370639684771137262524319985612048473042907953375633935606840298353026437599887515697150106801006589623255644383199829984965947388991709260966399028965943664663218797271478533559503522911012762375073312294413332509307142253992716901654775746115206215905700304272464886956089982832097524730461961842406865086882287760562432219415353903465932979528054611056595863310177076317835639099070922544168858191631076915364712326981417697214103373898431911276665801033431820762393
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 37 of the certificate chain of a 1,230-digit prime (111 intermediate primes).

Certified number1,230-digit prime
Certificatedownload
Certificate chainshow step 37 of 111

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028992265 --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":1100000009028992265},"decimal":true,"detail":2}}'