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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 #1100000009080477887 1,664 digits created 2026-08-13

Value

14137009590314285979359580884491989693235058047140888893489600582435275467285375693671553397986406115244680531540829232300609131296314302958648653226982353796467571714586716932178060917613811605191700458712402232433312642737233682828334675737672347739707648012406053540819940695010262408718528714592117277389641385796068165496998256340934004168753864220778462351772732073212002813128684225884105608099485210368266154888243216301660172827010995759800334228469483353391456342866333061179364500489270876747184962466230685868706822587284029398503306216580464247463970978318788063716553561243011096952335954651545690072938087509215932704190338739418360571636776978626725957750529797751074069477802553409552287805659277418083440344756659219782040887137796419428836176435900989491933374459128081734463309503524535467524885573955029847831533494357569949817318707027038532609578478112386095082493301191976310276248410734804223871995706261175734521194510504568399224598253916919546435115682919437377200181575224357938777642083358483588683270684300517307672442317584408630169470304754771973345023517944748591762375327260274946289270736051820736706890391501860565254937063645135837946621244871134497813234474560480383551962627910456875891927064421132849332001001476206170172196913617674174090231003996522172413896298892346417908823611917193407943365640573785927851183318151240181407493634952179150921166605688369785859010037992599870946234352555987066065769825446884247115494415546707942304167564031581529825852796266448339907585251784386214137457321760597624265593263383707283215119682807461676538078677740199774688869810050455979005395990843030578003357935665681773224421499
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 21 of the certificate chain of a 1,923-digit prime (151 intermediate primes).

Certified number1,923-digit prime
Certificatedownload
Certificate chainshow step 21 of 151

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080477887 --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":1100000009080477887},"decimal":true,"detail":2}}'