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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 #1100000008270920389 2,124 digits created 2025-06-06

Value

772737438215076548967068355483167483249954709610975572688419739092686797975185259875252689814821716140352807371545196726478292435316443249368784178212439631171433036605408399532025378929632102866582928759175531979591031350634814250121595254475405869399039942057654784154123266649544594673572222914915778832807000828358752032860024370503901214936724971232603108380095412551875986177897441385311453585772913871054847353742506728003621454487007167533520005831657299159869418491746808950881956524855229577490919023562837494261349288515558612120535436129267832623223128763894294027446418349480273392379353710316497712099859774408249711717040335012098672882472090343330601790997253135118241293013745728099787968730020678221855661432481415880448650636057664458657395374856304876404994925798620081482914943884252085483057951373466281184878998247413470883453118915873010799140689649116291284274585930285678894845261337740038697801206825621298525883327469543611907018112417465511173263751079003166995127046485064169628345640177726932238878955855329215416388917260215212540098389561691271956270788558995866258728258316390472261490115602305876241441006504227791704980151995318561545156008278213207771865046741836655710406566196416722367179723668781584320239478538188563962639804832337775882911546696342716240976012622817943457536825247744641016015889943269031202591307341886604095315677715142071190887045367114010048253183354284949679304923604450615488875895106339523732842392655468854592042991270805459803171576713251771810298368404038632687048080168807815968600312724618758755936925045371943702993754788231510851103312732463024141058617431365247029258273717778027454200291587597408905797647284187393505115242900613402185076695146999076535836181809032528156639324933390840665923379533238425642239498786935179027919124641039576970120944305321003269021503509898963265279078429218286068619734225874455272269274344276289161013075768391919222523899308026665802303253289689953866993859754851542904067469300621981598103855387672421003335863632229954345955198042456514582224646652052644627535793977903873302661455877198800587471778768771559611
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 21 of the certificate chain of a 2,344-digit prime (246 intermediate primes).

Certified number2,344-digit prime
Certificatedownload
Certificate chainshow step 21 of 246

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008270920389 --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":1100000008270920389},"decimal":true,"detail":2}}'