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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 #1100000004965835221 977 digits created 2023-10-26

Value

13343614880716728607882508925561943603438482068616788529184889976757304135253356208960745855759102417261646051936694743217214524426338512696313221233367643426236879677508046544944589719209484855964009241929374354365856691593498578150839214013097681024097748280730270469499203324724013564428782681815783546645143959637671789502939557083140808098303896056190684666050399965432357465178231272949536296556602414798688886800563932995252383934366233041103503187334830032424597151260680777156228934124980956612884482452605680954117119811293889880589593024972289816312478332272815982518259253280674927125880318353062230374727808226893576374583288071414669018711265239009084585516577710318068729651283773271774805620554477310176841645388336446165178290629386622377495851981316584634336373489735159426413889312690849488008840850456028956491062470066951101737419560109862595256839488517933175374567643032272734025091682203972775064352184585277284914296418656913547316837178461012642378631
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 47 of the certificate chain of a 1,304-digit prime (199 intermediate primes).

Certified number1,304-digit prime
Certificatedownload
Certificate chainshow step 47 of 199

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004965835221 --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":1100000004965835221},"decimal":true,"detail":2}}'