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 #1100000009047821289 1,000 digits created 2026-08-05

Value

1828518074179680056287295686185328845637124016727015471370677880927004076061096167284696573025404933619438967553164557854700525705732507670800856368137794002585240839544585009059965480277987923152651966672924159884852163960630211588040842770454946126974164697583468610012292588239573498095541285182303565308035931030406081393097006363613579285936897022796605221750789291022604644452977726461513202408153361394022365987513483895439930175310026311553366346887991560772513780987943844599650984863827403307830681064094495402963356129100580707647326378354559933394458003989239319397524576134994782056387186624810484178866921048270953343823098004935433961571954135390212651536962738551235099146700748040306103230227204172820071625467011323149585068799259202229237758902919904973447204526850079311461317015843331584234404626018282514876182833230946638230500366519079365644412402997231438015316391567971890088939131676082343659320651694492259505255667636652252860190141991596396393583511895525296222892578653
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 41 of the certificate chain of a 1,470-digit prime (121 intermediate primes).

Certified number1,470-digit prime
Certificatedownload
Certificate chainshow step 41 of 121

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047821289 --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":1100000009047821289},"decimal":true,"detail":2}}'