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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 #1100000009123004719 2,825 digits created 2026-08-30

Value

16244972256997804191939632601788735052847444124853463459358680543904866350622796462473467441696921242321716472121158884043551061915951206361454078440744558773113997342855067330573720238379015728427896813638580358921097397740825902262850112874086707060828103240025148163182259700524070859912691063381734269337845094005615367069520486774774562402675540121028911385548292707790515185654878092585821995806849970720536503525270819596386260568916033645321336419018915302525323128231872004793469394609562323512689422955908430770853158640058193283849411935776323508775896858155325689542162177505515202376315786272155033002588026099372731772210515418841145060295974427009974655460685484869174399308340510271804496894893137689152927329487408883847648889328892742425244537959768182219320063335525373498053020530909533463213583909353514927526936685625937678544669163509541850845265796757073914801603914463576426942163090438448652631931674795078415447041479301050308123547610383891728841799842458784889989238903562262770991151751959590386798480378047837893769179643377362233113614368591274614473639084441674386219778358136946650120456390482428491594676440719366821403382982700575954369069595089511045694501370026997565375043807728181618961515388691708353024613589046652336291216208568980687489300453057349025771617624389052995219321602616342117701466851155523165668773911213958285052943083924813517730450212708778226515336947718211957206746971677726370624606521018313637216246966634067234842865739503586383441458433197223007560450204535270980645374576428651778834669725652820955803797833916745857110604547472533647332120285275914109149345637369973820380491522943043298982970290108645565300129586461273897605336114302849830516239680807126870929632742176048880582006837736438672713133521699815012011269087008702394855899980871416696662561673133486084529572349283238125947596160530351556283899900942126669115022119439092592286060607529083691154363426301678506265171873949171550547244509619801430250450043501280169266483135880055414118045244776915712531473668619037654255792080086681213052355051718280834217577929234675001407337002569779062140087149563106532022523090824461057121813888321233946918546448274457854003052084127861096089609151628470528454996412867495643623503343363131497328578735237636775077382930806492155855308274495469497888948581694422563549655975621306757022416354710635146904431399139726247084309504475068196542995262779831263957999894811511776411981756182155505746329593181223419593593504509915252410560938381968045752586604643360883371076852470214783067345968580261714071151404855815362754894649913701326338986017195360839582635645819013280265116119690457108248559694107307065414420122321172109588043579097438757316738936933758319623030735418995564632610342718524667470562287056228418210475971162421232570044544239791573
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 25 of the certificate chain of a 3,053-digit prime (315 intermediate primes).

Certified number3,053-digit prime
Certificatedownload
Certificate chainshow step 25 of 315

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123004719 --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":1100000009123004719},"decimal":true,"detail":2}}'