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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 #1100000007785055500 1,676 digits created 2025-01-11

Value

94228965558056804391632466464775332156771904116349559309979244368701365714239613040789761788337494698813270659657962434420987161391699984105464720995059984582146630869353492271919273046054026040396647876657838767882618067036238717011908456746100690937109135518464558807534693071137008302450182079567407919973781316379229975375750006781947690934563152583262945791024295696921366136711863258521826038915322008362963715725046139996988645230295520091920547486280561297108461899537759208304520173098756721435983444429191231641807360101554971837900274243842661157225924084617680811155950077982748121534492835601828181640507874011948104173281852902272474714299075108698908431082210668115275008126662392079140528124294589151900534763613179707387326020636195171824683815017986364512231964720169738796005503681023670084034442483145479990300241105053660048403925933952319908378741801371852176247169776914088603559011527482002640547055769265335010443213030733029237397477420137837498238321970883843600185273053756173479421953055015738399284607694649198341284715577229829221467988171418840687087119047584943996868393943729270174994220651836029555080762462496256281558777299285544672241930828209490867850389453332155423368076118511580499549948730338105311785788749280762734823738329579702647370903285630166960008529948216694319982141354065387380214174412799283265226747010798131908099768676602210696454389710475889355794195300039048474825582929240682247709672781117530845900233241227330987147311354715898392620296908236977309730590148350322823650596747308113389224624818024559459433513701786171776497116908075156311637119107628307936466576231222461073582680247302209155402914599308150040169
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 18 of the certificate chain of a 1,878-digit prime (145 intermediate primes).

Certified number1,878-digit prime
Certificatedownload
Certificate chainshow step 18 of 145

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000007785055500 --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":1100000007785055500},"decimal":true,"detail":2}}'