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 #1100000009050562819 804 digits created 2026-08-06

Value

685726960706490180860653342515678501634970840640357870801934727008466237287451437457435700874014424589772694986365567317259378529016141201643419970925434288389992135773439183507305958323484757948977465772541578553349802830473654305348077258508083856700351556444465793283106519430528149547552548205391290525308053398678800268966930177301419850912587845334932848502962348900204128009328027759116630531623061400219314442769989986761569062168472192102628733648742139152468180436900751840069430686819696800667105265904825173929854383665983572882135896268935101547459908340752333277550525854266321691272342003207078926141161146730755736688893184262289059890344419384459994854759247477255414188026562857786885094849738091182792580184995082430841273692858038414096656753192003316853691989314944176146734159334327
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 60 of the certificate chain of a 1,532-digit prime (127 intermediate primes).

Certified number1,532-digit prime
Certificatedownload
Certificate chainshow step 60 of 127

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050562819 --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":1100000009050562819},"decimal":true,"detail":2}}'