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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 #1100000008678587897 1,691 digits created 2026-03-11

Value

27077003595425253931013134068959118684871546791289385532275478942397974062276601755530668276373461783461502043260621567908472248592789379347174384224858283546554241410850866529826194287441200439378726382681005013963568261379802180984902731105153840906146017154982573053969771657345102507073045446204156846140450649401743292919256838307055930749614200067182026795578744618307224856139720673907429060149408988461008089789179046509449017943111085447940177528870217407233205801055312708420457485242502403007854140464194568487627224972804775903678249385119409855596006045843032642534575038154410451812801081675461540058794553347323381720578317737916821721274860728848732825024789152130861813430645401133149691149371917367316751194526900613351382956558169041551944770464881297340578177871409449157644690058208654044292342014999484736909495167361844283587015497491126351992696934377343181090383797318190168461590960783601651569383449563380908140124865365067946499697175728066446687568378793210496935010464186978071269152503653699063826723727619858401910614025969764820862396954221270914016249534815042430706195901653928341552553742507742208588648929012043987322351830182001689533856636358339495510314974953470628083486372560166449180522833511539102553920584314023302858155305981612841358469330312141550617190085386187287741084825399485992159310839070864304794996563218207871916849796188830965597674864146712396838699149417896722809367637241622013601061671656913070111513238052702062125740608351706853792246902351098735028952965304300025856695311716632550501516428194968295255525360671707985663256077827425044906874965197553381261044431913773198794608702368832273683806071672300242229859045125024961
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 2,096-digit prime (140 intermediate primes).

Certified number2,096-digit prime
Certificatedownload
Certificate chainshow step 26 of 140

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678587897 --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":1100000008678587897},"decimal":true,"detail":2}}'