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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 #1100000008270920387 2,133 digits created 2025-06-06

Value

115549583528278140000464251381973120841309028601859572783996058900762047312022206725651066912509494937411554589894105134518772489332177421321893538338394954330756087918912773860641650198104344155942937370564897878291406017655829344682811477409276917082802327059239576616104273757773822171869204411824843194061016699782793655674227057869393313546075728537630939293541830744892210843430468388412203903013220946022703825719539265147139190186057291537270329925783974603925331863009655332528734018056393775102279166275588783707833559753547860647794255817205347410867907990148107523215811456412143631364702713941770265285913366476316629593245308402813128287216048001226102091525612561635971330201070321045851237173056811312164959587583019874790961420447675895271551067220568367546834308380520787336927445925875763637095982234442842249566900050582850089959567938786028758749615327475100771957679391701191201618970756420877605710103926399782600755624119237841376046415116281037779583279758181351821610929675117245643431447403420323680366652263576302239065215690221302211133471763719835056529012301499594959074681067838827581977837404928348970018610305836451670132130797168190302768844632224817948269090971009884695636930861874201662710240315403073568637269433472975269662203099062702644324088686252027696077560401233270850997846433306178510299550458105179370866615428594933219382347560999532158939856113289503762602414375293876040204791206008134191839653379408285337657165435324902931458523142338351598488287777559827061230091587805300943878626015513929140740838806726680745057131280058463728571995962498852677241605526909763994499709307410112134913446913762872471644775609665916475860857851513914720972909478273797477641699787901400646205581009508530515105129610740153463369043432629530133663157476851529525880257506460329599539791838484118373088346934745459445154247766983669964534010467009809727660719404695067490463020078886471938065097996186002599392554054645120342645603408014107652708997690475874818597351228433753579169481941122425836553851063724564432340445360835752487135430886251450837913656038791768039095834607941726283783424719
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 2,344-digit prime (246 intermediate primes).

Certified number2,344-digit prime
Certificatedownload
Certificate chainshow step 20 of 246

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008270920387 --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":1100000008270920387},"decimal":true,"detail":2}}'