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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 #1100000009048783115 1,313 digits created 2026-08-05

Value

11910349506158513642138433333421284016084837332267279122897245447905660536565213407219400787170874013938579653643768811553828928495077943182497703968982367893871181828194332125492074317730313762728092480969128140236045805735986303423533672284934245741602467400483663641653303837575247164705473585099248413185825085430525278077892599858662782922862144548174696954353198062556872232292994173753823670662041177445377445920163499454006463604932647958304232356416163622882355592096205914159798970060133868206172577509364542415272289091283566698327409287126863780468542857579890784655027447149197009291985247482416438250092005784845683311937943575976985647116343407228805260363633900013803925786801767046931548417544949116397305102847879512288544052078985107177901601015763920691736622752486855737783531156511291512703938382254350356101711222743052022794282439819262350721875770708985997807522872373275073769248116823074015130477169132558111779215369413857963311618539132699042486945884836300633513766405701696147920347273510391794254200969787793292794052322661863895449598216577243204098008704705798752813079015679081838883293409999911271314552739472523228879326953745931964369246098448958118360496607397827227725102286530436767378984833700053293272738680864567301205528713935740432006817821609349001320096052741727887
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 1,503-digit prime (115 intermediate primes).

Certified number1,503-digit prime
Certificatedownload
Certificate chainshow step 17 of 115

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048783115 --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":1100000009048783115},"decimal":true,"detail":2}}'