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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 #1100000009070626539 2,688 digits created 2026-08-10

Value

396330098032093125126626242186036706908799536684765546998688573110290991480375608243618751458372979327068100627562924084118380117534643646709827782446762239970183928385138037245720150737112997559292928238375075123298982813242561741270665825768399646935776283295977375619571501789592569848170230895850991121521953255876103800185878524197919009471718909044629122833819802259633118511771145102509288094206977569285105923485279028064402613346758960507206276137780486527692010089371854285379574414975497222201697832687522109615483672568274861789241153433712393990038544565872789501852849050944301411441283788495443650971855417668054107491771171380411731698448661859728684108009283864489208312975604381394964193581890128139667781685288260649622794844219590223814616450476322465053795905109114465231332093740737469332942655496357146138087010906551534289458699290846646056779554941090775692559067407215911112298607389716269597098316639415353874192159529088467029249287836129220598491046669817931707808167992533814948929989753237872040412856967891416853490992403701398200085681665721821012542185321083715637337974542416328271120637567369307494847419171838564431618189744043518818012837936935558574621021441607499013892411529923269368067069347482301808485781744047018925307984291416617093559377117825944477571380203564089803766803077140732899257993894666678515179523135535121175911292306157847914549966122466368807339445247178489531841416862387348268976156516284671269571775317073415414827067090037936843188004781043825693695183802660252560914795793736193479139645215912784384253616209347605157794488618813632590577442884369853058468794371224430250207684271942807665404977106265624715934413065550120536214673638601144976657106515924319475294909871314650142762999749444174576179608144501220188020006604529765672074584133457513323191583764888748941484899710154669768970878708690760443873709532357419744623011988691524133641606342814785336303553015450069926045459789673398958437708030097049766801279649210728737371390235473313030035948591521553931520529652949978233963363687399686966556159486109758037219688316064402958450368013711123259245154579293023566927462446528034578024263325033987658953534825773933893927825280837069553895873837225882705568228651555955767062886396465635745710513406432241942622985873218335694028621174343147921578478378960571294690417674528367923789160926737765323484596134104439568607416264895233714771360948666057125528496172483026814020860749326546085435757675568318293859381086393097941616077375737912763423205947111220044541229776177319259784377771093364124313697254189773079415360746085298633251069635016036307123974670007474350801620359777698767966875174168414790846863
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 21 of the certificate chain of a 2,931-digit prime (219 intermediate primes).

Certified number2,931-digit prime
Certificatedownload
Certificate chainshow step 21 of 219

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009070626539 --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":1100000009070626539},"decimal":true,"detail":2}}'