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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 #1100000009054641090 1,851 digits created 2026-08-08

Value

126009795960339923372158501870755946677036071143917071593188046934446721365895768202323556297455727359850962363630168199600165198119125366306511304109139837635834906876936387812713558978634075315214882128763925666036591835089491671491407888226721330053253109112964247057027724746482969651510212516473614333599721657511973513778256620994623320717807335299640708427019538893593698356953574049001079283525592756647050053835015739345660272558363935834944187276048250660887002586429008735595228133444634545434696874238542849474840567564397681188440216636396481975420912296337273007946486684625524650084923436676950109068441463917433116824889453915503813887160250426099699439169778384690304700224189181742126062610483991486245691182745199083232268507407603581483766202273813184001216176812291707194402349952867627419711561702149689282126759017149737156810977070628495037715238094033090027796732419807799000648449247264561875432077143123606081292113028931446294799005332582235484043987218287173415142874613081523944042906456063089524624643565897635101577855696093278422131119457043542875914944656898461242805486941667137923720489660437252637365007477334352902735603736863213776619361647533942585185110556302483987939802930850153694475639765953742667611402163078230094293486241930878940802004270371008346491561186939136713537465337440151024653454903658375045790250515954164823625081222488193782882920846108180229982623891804454843662092101557753027643004784500159414764072634010350868801628406222121985273595432449254830018870061435337671255136600131062856761538178701596877754835808993159565846155739680374239936580387765883434687447526670307966565779583863927752546663035230839687928578126777384531054925606649653844760378834843310592779125184704285174271139208570102223192323195105600134348269266611617039788063777709554670599134916944869071624263692718399
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 47 of the certificate chain of a 2,415-digit prime (186 intermediate primes).

Certified number2,415-digit prime
Certificatedownload
Certificate chainshow step 47 of 186

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054641090 --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":1100000009054641090},"decimal":true,"detail":2}}'