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 #1100000008677878161 355 digits created 2026-03-11

Value

4998432272345787547279701237733442628950520331570589894134679592344375915632580654504876512482020698877247210739231723880497076846234396894124668061440718692895057163374872059500489448901490954256889840160150599312545292650043020652630328338708199577268157062530076528321493195071169863214676020059941335750855182394497723254955653317424301616895067207291
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 141 of the certificate chain of a 1,740-digit prime (182 intermediate primes).

Certified number1,740-digit prime
Certificatedownload
Certificate chainshow step 141 of 182

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008677878161 --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":1100000008677878161},"decimal":true,"detail":2}}'