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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 #1100000008678589954 976 digits created 2026-03-11

Value

1165957248241842319850046297237813637552913640167830251194457208799841835776032313642746151804359318847537927579345099096487839799944130706793137023925251615331344661546893392678339774725306641512587381798245259369540764262675032423219645541126929955456760995134015895881854647379861947921863573194885633154810419113043332866987044709327718637435508860116697712257791426843012986695559127358846582157094447665253005205787008467609989339015579536116279953757854247980297250388299356437420300543037458235990820833137540486530315427341240143032077478109098932913207601751380660780556358743824495888489509382361875840169854015265113764731080833023029597280778560466192088494788622209053875287932100328478227003035460153676968907848829820694988448695637709409548648964609197879062811272552861491267702116034344602604614657179366174290473855335304541072682706241478675659164891902267682657883247419625796420864768450873564829341152581470786930847465402339680491465249751627867783141
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 77 of the certificate chain of a 2,096-digit prime (140 intermediate primes).

Certified number2,096-digit prime
Certificatedownload
Certificate chainshow step 77 of 140

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678589954 --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":1100000008678589954},"decimal":true,"detail":2}}'