factordbrpc · fdb
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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 #1100000009063550554 1,884 digits created 2026-08-09

Value

202571918198533765568621149112887140741813015613736478874667844029011077141347804309022050550958720787283711448061347320430099067917239786136668463593750913072386147556437570495273350741606696873764972244719094615176732535687111653602892712843903422956487797952267937765644661584214091874261122654780097631255501934300343968871378119725111449481850696806442549295746860610593967883928298053578930525728265733436819904972152018604817891647805096519542613561783624725870079143241540124348662230505185385891469370329692890918054167541943821448107667348142900544668040548298333837084288715399204500174361357446408313714480270744775544565512121959766565170544965876815947891109651056611323597946503642667258089079391215750247062450369083534777636561278249838325537836176659680285092766584883317446761870529132508428296704580726037882670710817516073507872370203257998935931146204626196990292255874272611632220548749710801062720153731626434533578546143099476110420194570498116331701404774783807022519911748086380167228565445278431226252380205150633839116703245060291784333583816393993275491080368662603185296096459499385629860937181339447709401768059950920361705694902651007511582872250545826839255991611824749431680671710542430759363238065932387471118235039934584725310406729320752495764352940268550368191595821268843028960313030444015798902225567456929457926023308612723307060488930512091140596790055840736882248763830664805197070530150324176622883741117957321113004237956224455787539051102502789627584686998192277827922492634205535054722253674189984436432850073894738448874878105557342255059543295398065674134844180634463523774132182396986378076609977784421004225993419389506963641282750074089752050797532616758781025529898573080117528742062233883099568391373970459808899447402250578805822751670220171237869119539171482283004164082203157517714043008926230828798950565882411263467342542841
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 55 of the certificate chain of a 2,626-digit prime (196 intermediate primes).

Certified number2,626-digit prime
Certificatedownload
Certificate chainshow step 55 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063550554 --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":1100000009063550554},"decimal":true,"detail":2}}'