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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 #1100000008942579689 2,761 digits created 2026-07-06

Value

4103679374451380726085136085135121253764256726231671036760674087237571832230758113835467897829881349565508504594629506888574586562162853417314751798862845045228415908307138064193000748160499315982574952402784617515187811068860255342460099407882371236593317140785669692913343127241688269939124640525158835497556408002762521044246745996998573992799237163411408169478947543746338157487345697425455097350458218012252626234148460115404766771162901707767939685147924992081208050976983020191225401753126706719423604124374903479331926341274548707220025454788890104793818310625332967440928268712507344628321956936198399823356126081080186431028523542197818157496467646981955455475766934230543705883975325562385246594729627787089058705689608376329861461597788676597095115311245206686587201234875728330400171900066328355933836994560200847164770082499767561745583305010119794166272193944914159076827900070690790632576981605426779651334721507045311502841215373346660472965613185940994990410641852944138835822708848969969832747284614343662556572557648344504962802285017305161436845574881271786485190545969765953278794056732168972900768050017839691376005360808882203934526418946855096519827733217030697528527743118665033356525159279167958551793472417115057452103771396975914951125289919594282006182889582221341727769947060839934256243694430375481378997799495121953798350224367068832592484406976096446526953464920826306194969619018618802961226982936434855308728071365994208117759946503939695009578348947729643140801065279134317283707680018254772470096082482767029888088692979605486842534321053152705770232936436735679834701864581998284061880295077021593974022210033553326978895027692930960611645426230547032437270097979326267482902657295121789465203671302026802785680939291125587228687316501765460069610978130817303708515070295171557250569493455828641719175206390095233811511432787498045174277635086289705254841454744912671764892827319691905123492495553009032918333961173613234964360805592363494148312643462235651393229470007132997981520608601964684825496055488756735434271098809378545976598059403366508715149971470908814038882984172918210067208500959196438823124855309794813313218411796212988108423865188628827503199986845444208752432641974793049963103884384018688336866264806053888006690181235814572282390436714451736195574844145284965181609986163091756343881909180258720875841522946309495390603884550191792683642011754822591556225661687184947364464305241645695228486028055681756803350044263264496460912114064770881181337638933181295111433474809023378269206354722996197776081447707627126505634532476256643406440957401021438533961629103034496845601692508563685479669945289629486935388911657875460254600440255641874517040040690320723772788789156729415671378679773188281400651297
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 5 of the certificate chain of a 2,801-digit prime (206 intermediate primes).

Certified number2,801-digit prime
Certificatedownload
Certificate chainshow step 5 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008942579689 --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":1100000008942579689},"decimal":true,"detail":2}}'