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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 #1100000009127305628 1,259 digits created 2026-09-01

Value

77534540562086993194482197970839205869671391925129673864731389780771246625118154796823019014296444126145959003250774684919906383752420693547240429382353387222430692733497546457063537034351641439971324446213957044293269401701250660102906140311915795835431888613654351824634938360264322606505268836400572671116293595890697301585158941429899272052582238063220296786730582634146474604109733973743194675068251904420403122094017905835983459093006741507702148881636478190006075334461658890959219773888194920658063680464070674863919412946570131521289265804418232341495884928789141203299803853332299821835196731493112417072449126062704423018694681917580257742110205764089349610074155230638886056208509157531588627352710757397539749623303977144501016200663150218327226409605921219983737405042800084462504076945386409299359355173020516488750707807057130721528651674362529709999783645628936663137253580881673176569513986167527464097507052455800207284094479391751262348965160087130785741200053619351861805953068089340735256665285940598169043456151450234326241755518341481909288878786847016549880398039046216984244920457508241470289789882742673582834836320620678214440168113898533904592745880670165245719115854616418936331004103694287956509840155990584429850849284496252307
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 182 of the certificate chain of a 3,105-digit prime (328 intermediate primes).

Certified number3,105-digit prime
Certificatedownload
Certificate chainshow step 182 of 328

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127305628 --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":1100000009127305628},"decimal":true,"detail":2}}'