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 #1100000009052398421 650 digits created 2026-08-07

Value

78065137645133443932767501536903434625839227219665326997853680760390188188137564511934542118105816287907472391225099785658293930257842637154532955774672082706122685645470013420920786452617654259028023602179966152356307468321218904331787003284946551714959947141036994400274957649728721956110768391997428275764806410307391803009425349007356346104082674998296470813388981912529172791475319065205844139981740534362751313396937230508001103431710454136852803588462608800044631513646017049657593059802183170815352064636224607551240873102073226662468821145711108615864235682476864211360777268018295451163404963843007534948397207941893902238179397117558608099
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 73 of the certificate chain of a 1,586-digit prime (120 intermediate primes).

Certified number1,586-digit prime
Certificatedownload
Certificate chainshow step 73 of 120

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009052398421 --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":1100000009052398421},"decimal":true,"detail":2}}'