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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 #1100000004880158341 1,941 digits created 2023-10-25

Value

548587148630553507866832561278782731140028413003049240844719498485800872208541645058133014364908541165529831741323861143457870558434783100505634314419464282048452409343187834051645990628680650706519380060854415756075593702374994991628365716792453397293691296931368510503493086241876502648376461623546949991007351278741570358240210562795274383575575751207884168569655985648533821783708515794226610273646745766788599591551480190829529929179789079216111771955010500601880128278800530331593514214538537101175873378370453603000759032326587189579462713300261488403029085396106990065428611938688408655365262620207688068137785892122101744533236571400411082535388237624546617906658499358223234744684843340134929111275333938191010720376141782379307944246080852370353193055491729903352376759543163319782161807769443707806647904774723638458356325286605115655582790200204595832184336683870799055347858459193733445851239527757834622605630852380407593034054315818007089223413505426526122433374662409321826913935655014861550411283556999665086657275342216369765516596983658658920408898417448060805531467173792395079067369219792539264712938830967828880414905170461702127028494956828360925648255868682862023444205755690505915687231864072330158196311091950421418598600174063875267637014446425787780500781626606799147301256858883138017898977629640887377826651711289482030702874499057500191637077462278604033727286734921594814777363719185856357032790147099115711255438816872509691380926630384832048562059811359857421711779141686286791994848818191005522743531984631130152264009326302465196533581330789083507405415755271287874952384367279080856644543164265219879554341300896264911441946774757261680542186502869117267738620381095326789138704515044264345737093747225771995017382848238168697469757357319637986094587941299352536233585902125723178583127241043343898797374977977371005071193894017314969577160845987356720590852239775798895004140583026405303198799610188657
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 2,397-digit prime (261 intermediate primes).

Certified number2,397-digit prime
Certificatedownload
Certificate chainshow step 48 of 261

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004880158341 --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":1100000004880158341},"decimal":true,"detail":2}}'