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 #1100000009019512258 654 digits created 2026-07-29

Value

488163132721776195034392314610564642286029312315173997987123208228741953860374572674594138422373774477576765658700522598667970082880419275600721081532770230365598639953782180060764628090188384953123711894182689894401073538646549970353264406498012201236798333641176651927772847548422930645022507760119481885058021839501652143981004403906773490928029259078400169301205987122079052099060506537817590638493232373182932102758083186908241759101806324228341434516661373023502506718605768979149139964464992767813664034545550929773039696389316530027293807957489295560907998315719756285991040545377606907313538853390814402303984650039981548547243172212058966035323
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 46 of the certificate chain of a 1,105-digit prime (98 intermediate primes).

Certified number1,105-digit prime
Certificatedownload
Certificate chainshow step 46 of 98

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019512258 --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":1100000009019512258},"decimal":true,"detail":2}}'