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 #1100000009079526458 1,512 digits created 2026-08-12

Value

857315031081388235149456386265176917793719958974343150587457242955830142184781730819775904672051747358371885373946890613689164212755989613771570332152949436114366999860746635473832756307103772057566501080156433843979703418011265214193080241147315415447927643054729912562123777420626027208837286920879252772684369643409677922214790702876755594413692766016416023652179909911323503831039074183749012040419544601264673878494041024581517561642259646670708228219394489683355641142684368613252932476974698504012857527998095330753458620595921676431232438094441936011990661294167944730259902647999311039939349069437142178319832538073928606229759223940822124119280046854005467399589371879436655032694017672093354954365533984884465373609574625531835662745702520064079167666249017958160818125201460013180475065312864731195300434796841348706631649366657702144235253954394965788542858437952636582150814553322759777126655958056566367876645374189145485613472210017966296152492700318227148798032475488000168969122874624606095263300014204866665207418695267415461402777229184670939076549618474192966120421623963043655924271106531831688886526602492517590859503154630945379265391353839061049606471814652300408526871448019011123848977152572197996741387514829074100328299972910901302409634580034600611070381977673251293846411418158167878451281104452964432366712954264921483951910068308349336365358592462810789571264772319733529904826921877004814329589350906969667447388504276193648606303565206063092550713459785684675164444318359762071
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 1,851-digit prime (158 intermediate primes).

Certified number1,851-digit prime
Certificatedownload
Certificate chainshow step 30 of 158

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079526458 --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":1100000009079526458},"decimal":true,"detail":2}}'