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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 #1100000008791954196 2,907 digits created 2026-05-06

Value

947306569705537324498096244639608304559612720406184171221111468493918789795398947234590958356235074936400129662573659130743203424294057289234773137794824888945934613608746981514456947890912679699560202857243353730925646302564747261439601351999355623914606742824926256723548578535668472981716504406871032698165642699268690698754948091300090944245503387707816361904451265475263307009890265205203550822056749672104834607073949620067996340027739763326323548233331165633858655804267774512861230474740402846775726160079893093269383688549272803220890739116656282773318550721064432822933836285785175468906511219914379756561927412830297593152156512791284243370793794999338504321177248337877460213762820262097340992751044608214126444510138007552836345652247051457751393888213950670090654497588342063674751706468853019115537413055774182545712752608467531773640484985501688606708788157317604976687700091283194069865527383265095726364639018118607120185246312419624970639356090566621275894383343615439060537271682328951026789970449603151888617729166464241188842930112406016545015472841809514966888486186095765013526506895436445052528756927436604611239390850485955097533741419784270466642996173176921246678000666436878834663794182121559288718404824197724454110822332430909363595561390830306473840921408290933889921632256917760976447795491804743879527293358555849473143520659613104387940340617629106209426634772317026913452117855028387183634121818261449033068324118127124819236589075139558817756041075361558789951060087436588314683969869399356940206953181306307808813868361421516668983850249264059423904726350817845907531728432402929289589253185928444411299871729436802334443543229185016435855987501442074617559665585604696061570983525182035903124878282486232711306838629666445764352109044645833083393011382544749336773929840349907445633001950071639378476445205773116032781893176877935199909556380856560598931557513183299311503909123656219332977375239251902789274974064216106613331034457870856637713383276095418273536234845896033409453851634876524532405024110725379881886071007524010007573048260781365641284412558001093193522725068035664535777329541199715598764656147732830802159583257686678352357426273481260040032274866498269589190887438763888726438327166741016094338272899079393452732494009390998833330272536328999585938393164333332134749137244248598285461666953318977504361606355040321261750036653866757049002376644093308868119247722374637684281510656990023122682433146550365366486174864068184635608197077166869154087703674161524571549733283291295533077898377256921648557918928053735275174609486700332233141475410273049566866970339520877813340402317498332070366623381946299666652710168696261960270095322704650330011415407410492513428908934331860513077558679702545920073427563723195320765573441140294144579485997949724399034681174701968296520759823328976956906704607928713324241771285518305908634741781988230515507580341
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 3,395-digit prime (212 intermediate primes).

Certified number3,395-digit prime
Certificatedownload
Certificate chainshow step 36 of 212

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008791954196 --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":1100000008791954196},"decimal":true,"detail":2}}'