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 #1100000009040811475 1,001 digits created 2026-08-03

Value

57721249182648178335093196201595272902297018205987434105818675018977912908827178594095070898788029639073650194850163581932901093648930217551320922225873146727391330518037578251767993741408145913521549759293284687980581294209707265365055585258733443135962532923428379589936459228480992427502101834411168043111517666035968982119943181955628323210760079918394682145691501278860221250806764503416050171968546930758753808309463451488965167440932915207671991382953044055092081433029305763681612402497210358444265859658947432196579427352051089231490349009840671671697097432197059011763003696720647897558830545219324233266585458050048012889614637979522589885867674361024943331907699184292600733891551961522502443065477822933213461775485311624825236534982889171065697322745299349419588273169838375560179173174078643613343643128962139908088440108572404626490096457208692273785941842037125889004071917262497717254432511018215536441214776743098952084064654950365130398994366623601894921024181587215045016913184823
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 29 of the certificate chain of a 1,282-digit prime (105 intermediate primes).

Certified number1,282-digit prime
Certificatedownload
Certificate chainshow step 29 of 105

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040811475 --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":1100000009040811475},"decimal":true,"detail":2}}'