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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 #1100000009079855049 1,708 digits created 2026-08-12

Value

5526931728043890092664942784023552253500034906630995571944505835730718645040461621609800727795628533026364542725302561588433398603245737904972190896408272767346381492050576466135569118735318448742897588699638134168634004653753399984588657106534437370784643029044801057751471704984555527273762818285703759590052389998988862325955002782968915148259024596546400233421682586120899985005190702803191129492994828181858807301157851973475301573353192468160838923564425958748120966288567605139293521159501180838639891127254547706163874009703461362809286316111540875315628192041627634744340732191641375494140648777550871124388029885431291011959713747485795160777320563936151410877300386678118889796478633184529412326414869108009848284618938554835896966638354717587436341284595866934939009751888709140505529542736636507409468083222532659470012748688869449308849623289003544965182074662271915460763422245705291165862087121550994996377185920096071644625574632663641827131593862999101173570544096906069635132614621056450835528259005919097294583578800086213986179685409179847835832320435225471380610656161745685375115133810321729556709163160439393821284610397013458590501481756557195833598924815875489618613117334792601142083443615732475453715310452693304494870557041950623115459031762553735140481094712091905423668989825408304870674411576391406046054554073885559563661856772301399712452097942735492081350382708112275147546617205215304046203431058346272508745774562252537555796175085336776696822995766479826281156127510557215258922667614052107393320004242716361937179606169401537448648663916170638106126566719413777632682468196759336410054171569237028913698663066976140499840430767408870400609676520617243981840192345390153
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 1,857-digit prime (150 intermediate primes).

Certified number1,857-digit prime
Certificatedownload
Certificate chainshow step 14 of 150

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079855049 --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":1100000009079855049},"decimal":true,"detail":2}}'