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 #1100000008859756731 2,608 digits created 2026-06-10

Value

2257664514013257155189043243381808258298599697563174848856029768405898215373242764493352221067687552261558706105119438233268566170608392215201382296850950430720793051771584315933497543209240786896156845643323527867512355461671034855299815510719623588438148577823056917463372178108114125460259146175305227809308327710089307220345661491745864290852923357957168664448865066457689595807134531550552500795274662094443350240490906076835109848292903817209959583380908968505617689741701200638892791276308773199201647021988790217246136762063095078282256324016344734328896771838093725330291159158796773915521184808003580888471807769473555533718645079417966998302491388350759108553299663557519712828619910600072675336383329613219707113932435982338966686156720822128799695277754355033706629470660874479840689731162264483872470052207400082953712588586794605750842138077444992726823205816611737937363996038794108795021641968744512353849096708911832522394042974272932729761457271682360651767929302750951396859050892157502308514765080899678166955667484915739430904773176234582101984074488363433098023099250133757231916997756343622106771654285380232315278193838142156733878359419732989120270458866443964865515179881773032479213759399587958350987165984093995534820121383336575789662253048725112532441099944649828771923238401103088239303537824354973895742565799040487961907170015383458891108479036338659013035196762085598951454157567268309391862240988902111306355303660247280835474170302889429116381818528753835245976659427360872853708140169565400110321570964960049197022035038474691361549320555374251831790466305499679760548846182538618865262623472175429678207281224023953824507245972372102007327728314562643657406007423517748533209537900652989931942523841046401622412996555293384357817773547722900626778663162964973111900259674886568159105489407996629086004975459239929730811482862357735104825678830199265938864462604095356208007072333211456481571602954464119867673246323758065816959745051218337138307304292747674222437677068953161228940411285991130647849741617583295573651136245383754028335892612734714984791363016319500699196665658717662949494137811131356060939107065861890915783599045819459331236147321188542049427816799650962870835066714894512468200829201882969904060289396792331262348209455556776984126669978656609596325609753337053146769005997228103547987390421270325066131123103228490482984267665006167110036712082203114793779499604862613718222618940249228504101572084005345616615495569533430911127704337152146056746393113658027448182499557290529279876666587118536763465642278780957761055597566719158519726579303894891
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 45 of the certificate chain of a 3,239-digit prime (226 intermediate primes).

Certified number3,239-digit prime
Certificatedownload
Certificate chainshow step 45 of 226

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008859756731 --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":1100000008859756731},"decimal":true,"detail":2}}'