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 #1100000005042806937 626 digits created 2023-10-27

Value

21247541435727106643998916031251856981056537270570828911745084616276566220429293796508229529550984930288573992157829769092226736430189200106030395905182584400621525442261404804603306086110907912729213048746082636254811370162490954679705715746973637817354044499024899077441913832082456871257767418559221284700540704800377335827472555012011381454798896833222498767554420956401850795964683705737968528562972203744541427540987878332829584116472836298821919175002424770806987759345004808061052724446821663909807047521482450417291413573905183693396566563634985307762643026165812970533600652762789703136907677437362125830662954448341
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 11 of the certificate chain of a 720-digit prime (96 intermediate primes).

Certified number720-digit prime
Certificatedownload
Certificate chainshow step 11 of 96

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000005042806937 --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":1100000005042806937},"decimal":true,"detail":2}}'