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 #1100000008676370312 645 digits created 2026-03-10

Value

321753785226252185148844657532827388743626026051677237460198623357802659579576090488862913591021758868452395113872417080624361423813664027762475790788048261845619659926609666754536433035181405194841407473870595756252278294762703850494271229437192259458195494364412398748429387045898739137495727663228645267949934628780234792958418198583433230559466852477785735908166604806018862792935230657071555301988959800791369931328915367044120997033041410443813636747254760237905675494788608183065435071721294552813311766344653434568284259958095228640634923421713694331602424162645809298756237565852348862438457507983225560839319861427680976792726972299953
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 80 of the certificate chain of a 1,425-digit prime (153 intermediate primes).

Certified number1,425-digit prime
Certificatedownload
Certificate chainshow step 80 of 153

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676370312 --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":1100000008676370312},"decimal":true,"detail":2}}'