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 #1100000009123228129 2,489 digits created 2026-08-30

Value

37748721780751091590593534302454717288184431833395335790251501302567671767858555423707591986687804376106523642865889620860866536961678299520291074520389677582309100065179764720747641852625779606887165304005035882356334258113067168026554914389829473465097711622443978057039600953724636671166436999945434389269031986152117412693567365658233031425150595119447894244018447021082504594690086215135873790483392812659308033693091381794110847691667364718334942040138381209057586680931319165723213204300438078702440005227867083544330829896631403649495314613132888258258277329502189835802420122903357752345506245603395322512123610071257750904228891344815939562643770874864591079213421791090021532091215870908621560638590384625259692453354124795611231539543849995361011513975434774082656389265813892352115206313591300909676308887790270106004963451753317673711116945662164759143808117242433136731874050235114816378312359529591532313062415369199310843672871209658467394622311076504522374247847337063052454201130074610451992365849672098348317366124192959497757000344534822220291781141884878025653372425137219847557935399273950893219545724021446948050695687490102441929044854189286430772428476462064485578795461781157591182870929295327301496970404781445561325040131332353578855296646823987139517973338641804948806368703664261129792634465782409255893603681184436788450986257661649660736244104762085067093780973633147745344897670544478919119207781550976192774946848538217915276358804728742031121478087143843471488528359778551550272020866486160687737109356376323995196125005100516410071459148637785207604508462818134555804881546616333594312386685956638433103351327313716328755767154486703114287900935225930324982711675759249788159602947344403301473595221656086945902168283930123680222980142071864264927747672053347723936414092822567955817909301929513584451778359000771648111999632369564645047643140578777750594914026887747930362517027261782406416625601101617936611688803225230784412832542060246528574620969209752197847257264021237837431564981356572652461535119280399445425515633726401066061959742764978249481478494299431495486043869378857019409386117007352755290075730671386969723626709535499926599421502975429662061102377870591117341247207185167694434774384888997642844359808255438813387590419831077656263799363823951855209111331624230162129871397054127955614691069057893785158825853244274137818286940446226230288927049522463957625273646068032579345822408100893456146966250561948901640004801500624505453131
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 55 of the certificate chain of a 3,079-digit prime (311 intermediate primes).

Certified number3,079-digit prime
Certificatedownload
Certificate chainshow step 55 of 311

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123228129 --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":1100000009123228129},"decimal":true,"detail":2}}'