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 #1100000009091290389 974 digits created 2026-08-18

Value

10219975125347973598319169410856150854135017359890915628580773776681075200876692249323465400090765794237534539306877237762117530295185719090541190128801322197378965988521755793360615079004928541768903957076922661815633571725462537623692257235464348907567093830975018094798450666100803466208403538316774472634535661379598287827296290233458440365222549567884708286027508785711701381387446763317103584485863737812118307105213744983095228334073998019383343200996324665702052027192653867002369396957645925520179168620327315906613087978858628475928858477054104925272522333835058504847350573917527487845253074818186636328620369640587131961387540836316545481618494099769746574888283907794402257664029835244807096536010999141499985910094593669179612838844630469085578235831090471263628078876368004925522426195256566952570524096346687292795415692524007138110395996281239156504730238289282109252786149003937658094745998258266383354079475942175559441832734154457054785293589953073376127
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 2,095-digit prime (129 intermediate primes).

Certified number2,095-digit prime
Certificatedownload
Certificate chainshow step 72 of 129

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091290389 --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":1100000009091290389},"decimal":true,"detail":2}}'