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 #1100000009120963587 968 digits created 2026-08-30

Value

18952882881221168953109464351157707840923414225956290933114785190876942679397816622371358977949772409133323194356469754132983340565305780656134010467590946687980307517304673860654034423086034735806338235380749963423467819668811246214584167693709823934714859877126307022036402795409961909073917805066245229297904209592279700988392805081466503476767881905716978575755111405051043255764299556374508265029564185731187514901303976640699671621129123892705647470667924765255787636572599710912101407996326475472289244750541826614546465014338191925912210898266835490237344508900505760689560061372571016065208116759072969031963048870893894805774923513019345329929960320863216499344230696329922920667179579238181828261759900167319493200136716119727383338764530880958734598641922196035482371099343988298184109652456506252741010901816149867913583731715771112917288457197375225079148252726328186512090651881583047160359224142767191552205951974436658616495332602913257695155006617627
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 155 of the certificate chain of a 3,046-digit prime (217 intermediate primes).

Certified number3,046-digit prime
Certificatedownload
Certificate chainshow step 155 of 217

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009120963587 --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":1100000009120963587},"decimal":true,"detail":2}}'