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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 #1100000008675223904 1,791 digits created 2026-03-09

Value

617009333240225728911533795258018729006756740981129837986857944377887109520182934549586599155977570808718969973139319211466114028595862313364694528666899427439544620072517315720071609275054929250857321936340037580665360910880497273520732828222060239519775973157492391318243797266310667882682780196443403144271380417622938045415002042960638675528555395020287186052671760925157415072412411282821190946047582603453724741631841254604091695497598607466481431085509752558920372224753033420182533114353182121904641510367317129696108859932893667777167924455272056439411253550066822979015278799895728982232797783088988642514350623931726445000992155224347466426644869280240536703707511577760633918949682529932138479460640357612426884293918944510544801602113652317092565381337858467639493263062000218957492758371449414632410626056903864807894596094545703083621161939011390264290132962784379321915182966874630712460771309792639787790045126023915969868024555485677205816500684432760417241003655095550676016821145758605570167645488669732316144417887617832392773618121043304164858276172876552338849815545180798842344147232458163195811797739408462554056621205903125523339737258010057331720449430821184039570275926290361012586263964501786712032208033811217427584382969618951900767955183755742607227576148055907970766507889408669247558904655810477803671389266143548541027576953389220442911590267136548048869308063398645714605012850892925798110930975182293180927586227033931747978311860858541561089170412965899502712220909892457942662561348237122982895840468006659099421329628785096705696992386145137568328614331825391841957139026813885655272922717865334335154797328891314572083948471553806467058025580347401199044646632403699798956942706652484495815587165628113610896914980040106097214421203748961406850199351
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 2,805-digit prime (214 intermediate primes).

Certified number2,805-digit prime
Certificatedownload
Certificate chainshow step 81 of 214

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008675223904 --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":1100000008675223904},"decimal":true,"detail":2}}'