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 #1100000004920980156 1,658 digits created 2023-10-25

Value

21644489853912293565087913955258231183648035629180033382162673731989395248404682733127757276073764653902197546499245598724064238073219192653146297125834501971282665642419732932957641255904448433530380377849232594888556315533251481970407513556657594414413125244316245474859288278373692547313026488183388595663605586713824056223836488694519542568177283842306560265693989119388996436334573058200967909640337439050976261619213101403457124077585616732505713674686047060678257206671950851495476384358683224132680036063044731098019696684503459486014253757459041782300849177626678580017494173405581889090149511645227529239714265153343733619486861510901994276318253701349442410584470399030199007945670053841082719313471920310473298594664554002934154723416020235839770144357888553485494935740095738920431103786603234455492844446703852397172831039763872443538082607987531905456281145728579599249615693171013693674714306815566185596780391207488878487325617213167896348456234417700448872467319368793543722842305443403602419168864754610186644526418672822534886140369892284401128457930501511077383745263706730497792793626480557172222944670147510638960302191019497219912397893068232301755416987106255161058004568481446577045638012455972618655416504482540506440527658020093771990648787987701583578179644643302212569139621798257340299674945926711305910310518295200160586457098898720086253036475925418110455795670478039584440964143747793829823097967829672311933190037668767899666997753395477693691712450363914294327652640053982356055337302774130013314824122562056773124363440917345845825136291391976335141619529484181109083790249989844450661986805573925532199939624884827112741
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 38 of the certificate chain of a 1,938-digit prime (251 intermediate primes).

Certified number1,938-digit prime
Certificatedownload
Certificate chainshow step 38 of 251

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004920980156 --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":1100000004920980156},"decimal":true,"detail":2}}'