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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 #1100000009131611400 3,158 digits created 2026-09-03

Value

13265415721491257246015042354976155860674911296387202036305118865819059392064947193083846382213736859226066664618142878986471873877009252930196250183944864660030778346949840200112217446749486368476344106744044318125062011572538626386187263468827288587151883064494639226180773843474594284763160104960845500761375895458185506899808580642354845487363144989028974346733263700138033524473120818887265309383185804402427962724024351776692381624709731421839468905544271504200064793195787345903278325023686329857676612125054798968642000263485986640260057074336613244250015728687044865136035055738820317465037943823910514697102827026476537671787455302530773117483308364646105160341871074264588535496431102338108986183044984276943587259582100113883223703191950180813304479192102135772871751384805870155755660345423316061410105055967316304067899093139046743456862647420927444861921546906690746207800442842281480843356838884650728507730481507008602885180497699970715867904065721596088340710062340879548398776804979093662221059297089206881450280261230891988311222314509317662148308809092272523395319221283592715418406275427172441998624389696303514048169177985956710243450971889697166211903920826755464250184223592909570924314617662242607366320049364959124819339382804565031313355266770121435863458439548591790412322973758887124965668071251608306127079216813364469193461469373091431650799353332135800251481947188791090353871025687084605712232800431111909466499012035207472606430752649541943596191844799712592060355667325309861684929046164900305370935872103466858271959762888449793425543380635890069123771544942823390306734865176456857032680268065922396988650718405275424921585317411585795088811848917541539547596828919372397777952005184274936785205614629349267410408509259019669759958751565086463280495254880115792729998957468275103602190428067341857520865999893089767761415928508650522645753327291523979203302819943308603983477881236486045945425694133415243360183639443547595367217506991274532947884646299598417183764562989257585238030476427245408817714866721826239796655462375634851807825744864011888512478841493315840555815772253963416858220280943262206448714682545864623460371353547989277079429007067327884246587754404011079442119744640410762174177830830244788692482673843233934721725234565084057462205040609288332802461289229998173236254602857197536504500628053533354930375558370610976279822788556127470203385914201853801447331651725727920577739373721973609250035873017230421441340374468441653624235370633977862995921183530254094007235069125212305920132353771364351142659272115745188392684650656623592112116876023404624091845488188583607911250826186741328924436375603235011893417540966785935503847096516626623413064321849496512559290538784642705045417081778679026232541436297325263820770857713042158139588204916952922272121078290653526205247097793131164374540099948743512021303700046745716021803400878476040915940440393829129608014066690617559486803884651678792969758530055186525911657120973920007288949338068288950731112427828384476659469463867430817152706997187921646921428113217022264396294318329026355403460222919110125547796043349144792934318895097375470275454783
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 2 of the certificate chain of a 3,162-digit prime (313 intermediate primes).

Certified number3,162-digit prime
Certificatedownload
Certificate chainshow step 2 of 313

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009131611400 --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":1100000009131611400},"decimal":true,"detail":2}}'