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 #1100000009043895531 705 digits created 2026-08-04

Value

582764573100442924007010231156102667965581342270123162760343956680269272632632531649335965906093580834109772376661937223551690135086265088482218425763763142875857992544739843844411645369022664555691606321367308709890314028853805973529808021373175996081077608705522331480972240911558335456738965740666818000372306720242895438042881498380167888852949364377877651875686692173805311268284049093538353059297831989596911608404643033455480221313624653279055197430733780599688282594529669357014821351651033154626026848980903578838007708145704476413724671584804950371715408700715256221709740979060098273137529961073982235604541443718728331476276245280306115889855861353629268472922400893111086918353846334363497611
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 57 of the certificate chain of a 1,381-digit prime (113 intermediate primes).

Certified number1,381-digit prime
Certificatedownload
Certificate chainshow step 57 of 113

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043895531 --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":1100000009043895531},"decimal":true,"detail":2}}'