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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 #1100000009057074102 1,788 digits created 2026-08-08

Value

401449965537088480622895057723288397123464830024687290462876415048970844769034095895011133968146929215287905025324763264125871667039636408259926313346467058011007438554553053399232910008563063764155987999065531300327697387883101426305295352257520922223039614693064000804308436624300185957604977372577768716072872463489958176726898926726776306639017928315043207778234699173371222054175283806388083121792913507420548662647648900099394459555928554943457294854756893762069437921434445732403777490326177047879977691105055405873707923790900361429444361563442714715858207542912781903927880558973887392453102039978244582924299876416401413141296997763456800799351544693997982402359768401066063188324472186417684710233358854664740259645080951432031682181079151771821110233404393389580336160647290477503311205841296365813200354909306249788307581887980610525981214987660233853571946752126632432871199564029997888050491208761459841195722727026263752160682844804589083446615252346834917122694724117331384733568843801604890602741818580075364967724437947187114315092354088640561579236677013096295393832522706970255605050971399303229423805964729589482786547528916817817361110767261395383132248038925984208418830332138594440199672398189236216758563155862163821584760045138407984302352908666098018375554784215714269601320746932401315017313265133994658773522830501403298455187269712518756115110880877008797139852153067496758329928644653510612273038049472718764755531271378388003075388349165657039190382412563546659239971581104403517878630187651230327782864933188138507394912501922068078494489762364025238191902763704988485803686154521317187522653464824841235204473358258299666114930914706239730776964105092879694112246967062392939392734900214333266710896235907111846022045429462836873400208231183283596608529
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 2,243-digit prime (160 intermediate primes).

Certified number2,243-digit prime
Certificatedownload
Certificate chainshow step 36 of 160

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057074102 --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":1100000009057074102},"decimal":true,"detail":2}}'