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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 #1100000009054058080 2,267 digits created 2026-08-07

Value

23956020971458133203644709805876881619253148300249538484067193885063493057376700960321136303979839860655056935724051463285249272996395012045984190092757060991374507974766058827091990875569530138674219207979849054199463265781073185423652884290262536646776580035778162204101427678351402651837752128381838676953428730648272537844777491476410949875832798263482373438631391077601215362454136880027570186984388807977149241325030821822192815344881499184857652392324172584059057339735980215346290888246661222748737473303865702037875453538289558894948720889136977228652104551352690682311547752965959393719972822259430235352395662792511576567646972085755076107005459933237249753706528965293825691822336742764297276711279830547370917016475744791499017801656877626424679431115514600958937190255763143142693153763832716825941617636613911219459560117865822284848477351923249694053698644162837386596211166615946373767671306058716935315816844705231185240324628571954794194387160003294802908913904958559834209858228833427513314583358093034015807083051285145043457203678655026140687531751111072442656837575003929381394839156022196851985501398548782413495998506635529351568294392500324069373570879569146773221445244607085921119205925692648169064339055690102742410354859089335161921795384897540223625113293708421284131599026754411084432523368013987144433422304481607781411969445814758319639247039437755791480323998532112905638041936956118182746106629917887738505783968203066988629293295822834294935685558783311772890736963226793822349169670227605824066784612982907855373943075467492811563277015122375403431832732976840401712624909627937904755471180516937687997876148360091280828925964182215452789313913839788785908073241966009423029318915389368594387354734344779295326066023438370352665634654944150597006188946904790961622362108341730996786720665227860256244139201034516691527265835750509224179119342558000546350187579567557971541708817017278231926477786839797368394911385420435862382385775959257791501943956136169051920786612731220705889490466446557165360454331273425538369176030234985677139088647091509730833686675299790189631867685940774745435089876455752903878518277261092023407136181916462497812675517121991788362256116485256306018139443911222080498047828185202152741616355645836383
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 11 of the certificate chain of a 2,411-digit prime (182 intermediate primes).

Certified number2,411-digit prime
Certificatedownload
Certificate chainshow step 11 of 182

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054058080 --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":1100000009054058080},"decimal":true,"detail":2}}'