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 #1100000004891141389 635 digits created 2023-10-25

Value

20424145810574716168412545422721401031523187488019324600558338417829892499926733395202822692253095984697084121479152636551492693647107745779747473898063470592564098086493942357929051656715664906728465358129754907471463664407577633579714769233918981295521178479118690962497497418887290217179474946125025349202194170945557672573211032923860136668044625372176277741686068183252577571503933552575391890962392988028299801137935990225212652850452101173277819824797103514994562827782332089090211426278816550640861499870045186825689728303744339243974342138094408114086725170946226565380128352075488738836889064294478927468846025398998034298039
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 124 of the certificate chain of a 2,240-digit prime (172 intermediate primes).

Certified number2,240-digit prime
Certificatedownload
Certificate chainshow step 124 of 172

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004891141389 --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":1100000004891141389},"decimal":true,"detail":2}}'