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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 #1100000009043498136 1,276 digits created 2026-08-03

Value

1230440598433951882993155474199195855415802717837153331458542305268796329275034670023650834838583973085289776083557162186297993936145938776941244908586272950601553875982743706477653728714783111525917406156584829480683512363648469030511628230778917615464557962088886899939974599516803838110564148043515210997341527459035215994341232726076922097606410114545287155345643659079806582074143446423477626541280675796980545761550963312394692642433107046613355040047532802821788602911556276303085614827319566440640534043323123766936460838775599520904561096803156686809549224636036529392602404173877763594075440084744755521249462365147049886826838112907144872188040575678473260740655751669328659421176727758433549538558324852847807880435731216736706288133635484797894777543064948269919477509021203500912689343621196321867611248245362899371567194499357266132148679637154528010342479101839481294503221198004813674980930960398096449617068271607108884122360259585126998586183780114930529240831371143369907731338766456449330424073335908246329390459203963203503193499771320981307885093209501365329221820755000492745674375671259297485048604157526462023110740783062088328771385650002391569877510734088659639605581606080012967580020821067088730517925010615702479056381420863514259687540427836649
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 1,366-digit prime (114 intermediate primes).

Certified number1,366-digit prime
Certificatedownload
Certificate chainshow step 8 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043498136 --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":1100000009043498136},"decimal":true,"detail":2}}'