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 #1100000009069116785 942 digits created 2026-08-10

Value

213603048426539172738837238944746094864854791246678228198782950346669221602183930043232713184772319109933943102827919839461858792900012207083788700693993410830079877968212198224606515807832413666229368475220316813269220450311162273816441462575989732043640656355014037277583930002024922683882687005901210820802117754054434023161215007795833648719445328986623921976467076227916263996904442281411835596901498516368936202805534873211241573129742102421860909314556134928997152473843970804496584905885036317628321536651982668471309245375029517629274382084106026413306909855748153789163558464211140648085233183266449143763622099430441533549714604828506230891732550640242384129991459572047978781032373502226810332678183636935860812203578733438014227462657385919561072211036025283403833820353199028108960515797808761678070508902141066144667600049923440878014935067724155205393843903155297076967339233952809776330642499252691817472802347708343721995783
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 86 of the certificate chain of a 2,001-digit prime (152 intermediate primes).

Certified number2,001-digit prime
Certificatedownload
Certificate chainshow step 86 of 152

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069116785 --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":1100000009069116785},"decimal":true,"detail":2}}'