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 #1100000004971756393 593 digits created 2023-10-26

Value

12956237663323108307289253360614791222411289681221688726577817093685102106721722759206624626131198128526891277763884445810778060718983325993816341902083595293054413604107937311038182995387614162482028253208547850727815433504141317359503402512343525967477925582769686020542137287347150370338747914492369996920942136690262069270692170119761494005334795845114585489412354003265322724385140728349775524892352290163335932796248162741113299561805212000018707796467688476693067072195163387032393346164862427851414931492056032679186070483910295735242300776501683584907409072383290889904843825836292757
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 85 of the certificate chain of a 1,238-digit prime (178 intermediate primes).

Certified number1,238-digit prime
Certificatedownload
Certificate chainshow step 85 of 178

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004971756393 --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":1100000004971756393},"decimal":true,"detail":2}}'