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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 #1100000009054110839 1,917 digits created 2026-08-07

Value

889525366355365052116912388436052005747021946153663567795913140465317771651987748196881327673213499294665182586374166533780846655211516719361436741505598928719225654964277032633411325706585610453058924845673825683461672830358257745788317631826121828510547327561922546721143334471193574537362897765247003130900677239903713788297194506797192789919906866074141877021128691130903154488118938664350984506325676068903007722902184246860564373324231606423042439706879230680067022446717524523184558500058246441014045219113439395723879276843853932553762611254380860445670785408079164136324541787891025697198962264485750546424156675025868014775485459388830078693229845479173046380031230112345846888776859569022131918129122845705342509301343184096988366197773888436750829026835671386494261600800203683088968477697608940431125509862382240634091726290436844557728789643637816666929337887070201114516682444785860130872849473345475406685854527224234752644192817511950745618036987631362794338818892143045239913266676485294800144704108948905333478279520224794537390036810129340292386751392346773612865812074881702239049108983998980759082859500989595071543265211997591861461805544530565251288409729642740678082313332278573444690588401749353382133035596198549361243060577550211824216695286142421912435049639352882523368127893182657769259478904064795863727100388456214084308251292966034869143318965557042583798282378974985284857091212449350697800504104940778382939598815942239377447185577562969976988479123219912859750629621021575110314929495745532300306163146619465252747319761964971897225073623807563644336163581996845858598799377615376831888031765899158974851389745318233744566569082560286840668132205749476415880653086308202240959250499331322647469044407642714180191528442595211110765874398162061238812213367629194106528482695063665220826086823799336053565354270119429590942758982604848335581000982753931253172341533047366467249842107
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 2,306-digit prime (182 intermediate primes).

Certified number2,306-digit prime
Certificatedownload
Certificate chainshow step 36 of 182

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054110839 --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":1100000009054110839},"decimal":true,"detail":2}}'