factordbrpc · fdb
Sign in
>
?

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 #1100000009083570420 1,685 digits created 2026-08-14

Value

56241131085385382680305871829601837160156032610188322445078660101543162042804866854969155022963102589725429097187677807947995584687100847161636436193675255921630308794359028955455627794101193005410228001071395400996813054470772308029296774611624436991919527594436413911644594713303131667671512684648293664436841619924556537798389017465713464606893697444681106432830801097743780704063123614424366752116996142215848864663013060992437916300740489985826351132354280160710371031605247634863362928129624209438898732701875469310438992325098821937405928261896762491472305232511150166234139416260346715181668336033656615909470083175609152819000023221913691892887127007233570976918274183709117428048648262598312184662557041014021674413203240188923953331577585819862162458145602418204060689303002917386679291506213299142801569040871494019959901593713205873350106376729631429936023951822252612570421011997848283437294156820203680078931448368427860844097240996882504797075108029094900775222600362610036643879631953184709072635697087035893076779991364971012072584826383101393608651775612398830301738891122048057907532573181674221036782135889505357930259346140549244725599497465018274941586193510142399257307035261889217789649117403994366668354736556006261241318008204782121956648155326880529706001589572184436159030257451591749272514314119914911338044648312962533886699732802241460958135711133253772639679658190162029196781933361396394901791033017346333753333394959478575352596689710345556691927887786103732301797924697361221734721679015841292847565325565201387558281160125755783322011442092243015141187223925884116072024356509141928733742784581245064253892600758613315071255639139555130629765439719
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 1,891-digit prime (153 intermediate primes).

Certified number1,891-digit prime
Certificatedownload
Certificate chainshow step 15 of 153

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009083570420 --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":1100000009083570420},"decimal":true,"detail":2}}'