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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 #1100000009084007859 1,076 digits created 2026-08-14

Value

26506983042366716325252559719003676101417598825481343531207316238280604616380855513472992727114004716103555043943829898702697639787730651556684308454134172536631272328052212766014722175839584708044946984364562975620339576632483042884526279699752249721091225225118257735832608939887460239829697099199591454996734705440878413892379096988199700088593680383628406182127151567238964401874777456755111287777564703152246175194194134651978980981755013221264910628602195656189611814265286138068857030503831168439611742724486031073403357890425094201080566925034130714825868343916701795347659948138240263356857858259395207907571779646260532224933833056776428834578093887411929149084669520955436765788848728053264197729075650105090884554203927971746833976363669253018016320263495097974368081058780211510250907307318927839702201330737529929591589245701991847529366650460139557040986255781911565284112338158964519018611547190319057969559057592075970984583597951471332882190755288928884404662659333857529876898052441967638423133061926285658869379798889110855747004929685472344305360637412931
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 1,940-digit prime (149 intermediate primes).

Certified number1,940-digit prime
Certificatedownload
Certificate chainshow step 67 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084007859 --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":1100000009084007859},"decimal":true,"detail":2}}'