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 #1100000008766977987 705 digits created 2026-04-21

Value

583962844061165543392113174525341013953558115911396872395070922520951718430731248199197044609622973452628869744184362110665238299854481996437708808665186467264954839576927268772682449946448788509771558573643652095393800274922211916889193531058795565938863889895063118919747482365236296743642307792024709041533803484477817507731350177572169469360165493163426394096178354903519089736988406753721872495471969335625432254156677237579720521625635431439200707966284980604149697303824906851938237715693109562110037422155093350122944110935937711629521012350873154033765360330548880248835011909793391899030798119653904592783241577716602218815764417551604354002883596426013625756070561854711479184804390107797159267
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 158 of the certificate chain of a 3,124-digit prime (188 intermediate primes).

Certified number3,124-digit prime
Certificatedownload
Certificate chainshow step 158 of 188

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766977987 --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":1100000008766977987},"decimal":true,"detail":2}}'