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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 #1100000004990781188 1,012 digits created 2023-10-26

Value

3958684048869625191370255513446396320901502341114124527465299356901940132038366734702081738583637026978233029128708582569348616327316290524802243845844464288793347685612468283297945567822530558749746564729261862848974159797913546060472297778358912550356291233056259040976847844449833174063190305551752247244613333079871153643498868192032627229246345459312432602454200663487248371637571726197018707114144337986826109013831590501592193231190344518091394853336383828396617736349674151217200998439093791746304565515887015588944067623605154866284733187394574561228657065999086438187872748448852663700389108733856961059244059692993296406126255759051562402085378092436070462588531540027926365256945147804921001185909031166350119894771547051380459353824829390613028883991498852037716073381905055655112130704556591239422152368398324837588827036975835985864690868737334149584273335569390285184372047880446033098799558561711393633769138891129113714568256167649160541186515578984807870087161841396617930699908695934728624613
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 1,078-digit prime (98 intermediate primes).

Certified number1,078-digit prime
Certificatedownload
Certificate chainshow step 7 of 98

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004990781188 --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":1100000004990781188},"decimal":true,"detail":2}}'