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 #1100000004921065091 635 digits created 2023-10-25

Value

21289145728528417257306989854067032010927932458724881206902669111122434752827478303612420021476497258221305801867152255350204399194589168476433848618676931749586463802885089090511081638880419856831820507958712108370234857275529972493824008873102602775391541026579226683683282455663149722605875027333799933140117441799194843148976425991311238602527909674647760814082980386227887822112273135736137127106248525928863814354154293235743028490066014333538008411435188743420671475299788787265353081870814456520272008629620308358549242762933023743022397000820407333045150322717608598251464317217778520047492405883858562773257098582537402442719
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 98 of the certificate chain of a 1,952-digit prime (147 intermediate primes).

Certified number1,952-digit prime
Certificatedownload
Certificate chainshow step 98 of 147

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004921065091 --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":1100000004921065091},"decimal":true,"detail":2}}'