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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 #1100000009053961383 1,966 digits created 2026-08-07

Value

4873735275974612545353054331899902187723348842106631144779218254590826515810984813239567865974675910318956312052877839056836856737319194722618856924355501234784583012628323604281907390998414530769139791671286116731229697414716914734647282209519074871066867357755095863085578532738079062417989057104995361488122302831280116976236450292377220773520127003102682572777992420426668882387320011802989008432526541401957746963643308683369909408159313954583365151303611956307247681296449473292889973432751500796740847090629276048518829002761396403749248039705812786272493590257158450868017811833558239925719332042627941324097043130713930010582384641091001490556362251440387927914642836369007967930666120130050414122587351897167159499018782241443507755422211046467229593622565421432230234534235883589630202174988568292043531345471347065254499295088352202532059617762743812798142951041892038046424240431806002875105147036080202843896178711795007012106443109439087875523695045840259765264049461801177614151419563256157322048155952470368275117237913892928117812910829613677928366357321287414994879584918902066723288580940541597758573023409003569650095756361637278163496936464885608544326591350672901796510367952481620352866920785894935765141110098029971030386163688151028745716320442110469125071056373929125929890283456209566571876716942174083194497976422083796428485481566291735650398253775284976156135254604589638014258077579982783161601721233915612131361563667622631762767940252553612976858497461460895135607436329227333958010162481851421240473432680479458532943335421394915443168050823214850874349889485923532786418491494714060399356248535411889965869728100654267774622622546316604246692955151047862025923934664746040987331298330102613064835425799634199034630218769511182257646030522411261138872536699603608479365627840274385146792041774489169002358495329354998972615945452057821099049837165423768555169302271727664437413200619722867853983763729172428358697267828586425773901
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 2,306-digit prime (174 intermediate primes).

Certified number2,306-digit prime
Certificatedownload
Certificate chainshow step 30 of 174

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053961383 --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":1100000009053961383},"decimal":true,"detail":2}}'