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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 #1100000008677177819 1,141 digits created 2026-03-10

Value

7557124143323153554119695024520033343980956590827450930838646993961625640780190088062687006565649184790798856644331361370917595771743997980388466187492270400246344859796283762103710751146252170219088734399346318144780997784299618686364070708361099173193764103390702427887834647349329081343827241642880372290207981590108373044114566790197548201726937187485601744498493788778695254025549401158679726180042530847703661976653144484663551307287716581275142392039689341551564495124878054650807726275479413758282447442185350276568743388116464012294336054420872212168703326418424836684162039488350345756229141796335122535805210234912529204192178466502699556845253289162769258969659277810631125044561254238544765860442837642257854553387854629731187924535559730009035228171520539446134621940138634363352845271720026035081316072252369762879717514653130385133693589795210584310880781839002097823422127163978705150358961119447322591008548879823243873906143786523804924380429793998460045091041915160619490148287216462374256815479875383505590054233543724469815734501759653226704879745998281005693671428321938198922473837990977979370384385692608533016247869
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 52 of the certificate chain of a 1,642-digit prime (178 intermediate primes).

Certified number1,642-digit prime
Certificatedownload
Certificate chainshow step 52 of 178

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008677177819 --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":1100000008677177819},"decimal":true,"detail":2}}'