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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 #1100000009056976752 2,288 digits created 2026-08-08

Value

43929094277214310461142128281137705237312412121959287797579843133596373667296866675627341067669596728041440232100810020327613266143223408135023792406497639860366875115533611419669324069585206580369675758329747917468764018979050695534516513807218531366263468151343845343248207405903813705328404750283617799686112190547293028607532912805179421095901458657904476454186888620367392974363820542607421003393448298707232634823953316341140653397465370659970934585268983009816328248765024041913767275064926251177190727412043054503663523595826860706561696309058504340867102025571947205296386459742100693446590518077209644317973808258520440157992516470083726734892120302759978385615909883689985088382663216209002931345767768137891453728622043641839039871531431888308749424257327655141067550990904254674644403332935489363221034152444785248376760099269694743398993750886368992257988940873992992245832727147111224332005266146775448814632489968684115230425992945663065173745690416980980458911072595419975840942113050560223265916446866669433364605241600348601375707867392925971444453946193512870108886520443377443742945181216934944053290765670982546664915745067377316648192363398006896487505497445203682567132202730563340348937534559150068683913324330913130635196681278851040183433363861795726823227741941046345461993174740098033880719081989839993077687120055548723177763471303664815502704826893221232115181337555966842236803557903515977541948576359471905209099484530567655400455285894282941084912352037187134060176421792823997505066645906838449758475778720530078320159759754243947744635123397898369783729608114878821327151024358034866166434861965093036665952473223975036764296065786441352600303949620405190439232558484246400540869751982319497391166753225932530352244963731392580802986603016916544745651440259201262912514898463018068247487308175492007486533435269402278262982920008018465044294944605292166518508158594380527765276137175369447776384236281138147802605966714622532808025309867734099565112068462217492772880035720707393073949855655520744003140479746599421634963033666572041745780720456837276897362205913939722671204068311765060551903291001673300793229647644481875979896269713297043840660160628628296860400875502055010730793572992077087323687125848639860604397282181818295627260662865836431799
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 2,439-digit prime (196 intermediate primes).

Certified number2,439-digit prime
Certificatedownload
Certificate chainshow step 15 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056976752 --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":1100000009056976752},"decimal":true,"detail":2}}'