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 #1100000009041123945 900 digits created 2026-08-03

Value

652872521956150961928345847163664272651111802105519778502787158600064815465994194535070489193765131847059378608117004666387304350977002146714849885907307758357870016307968755054601911515235869198266824757381224080157700548190296426236672600654324247400907070264634166188136269623208274430488841139632584489822413190538910622620551475412938239964847207440812728903320555981489672955450371553079037164834738861298481548395472045943954094997064673366451201901129459459495499299911388376884857949716998928630966783015976249492633866780456062155880632898511602410888277593995100313911384641740335732682969429772456795382798143971927559318792647521701878332670045129587290578743637392021279290888695109016628467958398003845790320403261291428531783209298187155677134177887058000155426969776391450899875290190113789528667553809319824463650412410416216884682122735704787454321485583604104805755861146462732681
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 1,297-digit prime (108 intermediate primes).

Certified number1,297-digit prime
Certificatedownload
Certificate chainshow step 30 of 108

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041123945 --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":1100000009041123945},"decimal":true,"detail":2}}'