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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 #1100000009117856056 2,713 digits created 2026-08-28

Value

1831728273444687041253846086883173733722257358996033989006652665613552996143703564885574406102113837513971624322689478075960484879693568035087085643810515654718423980016244928200354546781986764440523550166953236761833217087757895048143346116460544204576537776999938863538596591530325108384773295100728656714063200975680749352846501504035440699051380015471223107752353520497618815991110280515301863480926730141027420706032889036842217134837074686422271186923839961063639331221714836729169365516035382415397783921446591409494105140612271869646869124712340133932838233611406949019285442819323733202811709949500373648091817164572010630296654676807441316028233698749277932734892259636877427825003786492879861786212751733287638993600174297967058069253236003467481740825809508255651775313502074526475439258174692064028008558219102488539934084040337883380435561899738619468017630138558522419356165062367820335497891418548662406528189004228379461385514631330730595175747175193024227568486985603768551934716523571575154169596675894721799374627229144720888919745949327735861289933596846314472432213333656206572153179788243336402861889319636896900053749480768634565858167809172235348555515872474683965250684090985518794274450381584762300315427654841280643221417695436677414246576105773570373648539028256691566621688199418334574267980759108061220565702652813950604327607435179087462820461809215522271025583500920938010344349645216826336450774216838965305774128598994882149684931701178018961587449603723478436205930661165005991009475028520396626211167564728793817017899671255474428128336212585157679753938340914898023778090584135517388220984660104448215808679365418151377080425826022685171627090487885933979130954043273172683833889578147487512455872459891427419173468083730073206992444575914133098853855440653642636232819091116466750699324571011159262939929997695598356345996143123026929811587334971212974214274696644589218037005170335534883241767854459682996913797048269630171531895134049809481560638474474696185029614989546379378586510907999863361487658759159245014649303255655765501561670264320420122546879867329903734018491712853325528159063958308591684425032769554542459487850235534223548231561651842012550996012781294577520932608817137501756792580892445549714061096304567931600246146942992315057928579354965502326143590716174045432359881154758561735660880164184761839332476634969315288655535721572252037161375729923926118719704806208326467402592028160074105507341848568405190876309202787594388898348160176930291332633730611139125391798066603153435954204263066421074701327977613723463626204288294170826070131929657937812435628106209629627267970960865464309430788400611387479562369878827141564779736607837904980183479340367
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 32 of the certificate chain of a 3,049-digit prime (315 intermediate primes).

Certified number3,049-digit prime
Certificatedownload
Certificate chainshow step 32 of 315

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009117856056 --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":1100000009117856056},"decimal":true,"detail":2}}'