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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 #1100000009036772435 1,907 digits created 2026-08-02

Value

21784133423383838735990508523173703884028856000595004040893853456481397807722392694552733305904072567537341328695195309521150381191527252904002651437371475385314934605192363366901141371599628373044158601444187340424264664545429957675595984085851355281684600830744594166586431534269437006804692939261864185868618434005571204294075081972162360452292138746653837937808733617791621742998640316429999761186002180683329060661652903925699180010822182786509136339569698527719170583387759612984130498594685968807060593714588212481601172583667675560683080378789044196664975577434411211066159048211561439792806261766762396947882023529456526588439078316458571120223588573818447418851668505622951908275109304377100199763852201010520962034341861578988597988365540003000741410359566569191092301080208090887678793106628450185990762716031065006581090460795933110866485944227679415015808865168310025062792713982709981114170531658410839782563215075019702992777386447616234416296558853076709637786662794845665658758934978039584336486873079055739967177244012716261285095167016678458034279966774435070411025602806365502279595132191228542588363607130213934772840675470307384643223732260026607877684485804052038201083162142042854746011395805636700787624290482230379982963799939055049669569931952782452382302165293832562672429800028676106626786927365297038426130175664661539170598957564979413436905306459699738103558312761903968811571110049473348042954769183218756190837272921400709549903400806134981062630752717907004944402989783569776064204711747029293163446898879415278709842089116778698172168801428181841821676754637855561306738806984805717469504644977940964913303850478900532371729293816502616641817271315487115748781524828933266368947935348548200327132100326322895109455621990118231333842116456703980940876994928335175948510037094137076990634927727809319555463904039013378134364287535950295081481560488465269798672764097751203
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 66 of the certificate chain of a 2,796-digit prime (201 intermediate primes).

Certified number2,796-digit prime
Certificatedownload
Certificate chainshow step 66 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009036772435 --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":1100000009036772435},"decimal":true,"detail":2}}'