factordbrpc · fdb
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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 #1100000008675871881 1,020 digits created 2026-03-10

Value

133539561581217883193777750300572021385368733534696027685166148537965580018454202679472723173606842007436515902568375670354424761913724341602429963482763493466938138140019290769852317052003105172141104807031416747310387171880858881193811015043920011630361894855048858228531074392248415680486114823080060902787347065288192157750376683111634607594301261604251850850000266365528409846858249420548409258237656146521549601560756870870381943393486323857198927416051922434484574650849715808051451624690792200677740538933794121881608198934048643854371699528631438360127155672625984616514912406756755096135738765117303630238145875744449245782554811453935034839369777659233217798097290886361577702098519084798786983892988493292742082791058574590523904818175197442098169579541178530579064207050121755262925620360808526897224042199445597596383497211114066144235218636231695298412064226690542259222261824383029134245954870079730075220679345652323559009164892452693422304592204064213742943504266454540186417393880886261716967706004509
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 1,141-digit prime (123 intermediate primes).

Certified number1,141-digit prime
Certificatedownload
Certificate chainshow step 15 of 123

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008675871881 --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":1100000008675871881},"decimal":true,"detail":2}}'