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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 #1100000008942580216 1,809 digits created 2026-07-06

Value

530677422080979478271198428711663655683638560204693162808119719420819298641488294956659341280311811064568431552088862768299563890520719493406222427187776284507606610451801738837209616980769150441442430910989784338087457324117696912993502073775156960953586027272295754795339336224511916197797527952159468921472514762239141173070142639513553196867428235864069103184187864402630193347809782312143656076807300636295899789891552743947695993498089359111409483861996215086720866721351682791235332203282604373137153151162349090929646814267888134705738158794755266118864552125929314194809299036677392548069306630935991446083244911663490838211116651269563000753660680013227702324398191891205007717453731986513070782396035079082162992552818268072499537025484224776350871658902339577482427372689592797547671518562219521095509543059336637894697583813087176338896547183427042452112100798072811809929489783411554080441832311323188746649634375948394008043090602608450103873789921566991824334108344207394460216376796709659392090830319652171323609407539646598228607103574656747431455184786069550672784628406389656631607835541891751990545745532379399668615145327883526835124895196689825166691356548774399695537405126207571099307305505753155884827735609601670844117042947553252239455961619875619089016791176723723005514561163152148758970399918582146539837007084720142510843914168836095264772195674133171836942389972899538421149491086575246086654434519856249294459382889495160470319795909310377262770108994780424102051792060038203715605929270646020534090308622164957107744229206190153525048575864870708243446656565444641525753757807167957283080810930463192160355689366483298428208385618706636568782840790670585856704876474562349247289316152435971329129013037454152787690591018436213896908978284984873267857095394800778521270888381
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 76 of the certificate chain of a 2,801-digit prime (206 intermediate primes).

Certified number2,801-digit prime
Certificatedownload
Certificate chainshow step 76 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008942580216 --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":1100000008942580216},"decimal":true,"detail":2}}'