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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 #1100000009080479866 1,862 digits created 2026-08-13

Value

49497445805504441924994277584620508593507859004764204081719784034972349995927537495488154916499477768873302263306154974822034038864293109494243796401402326295245878192766240045824197557084547770780021743226514279209400927962833958660834455333439841293615226359584753744756993690846118815438781041346792153017070618328338442990181224264979293883145487522576324896746744878967395545325830213203160868680029385819350687006276362396316209693699717757262789519267255855717099845262024793021862343137897453774448618935029178746206648631151482009084775195598603221635753819059296043653262643140195507955279570324951530640640299013498393255741025918552999589108221416374480798421936510651771628547411753949003715860627241463815496942199185847732230083038686547679991554009849851169833262918436176139546545898818287092207774216752650326918139789915609899215620052817719453597145821768622444194383598634938782538540717506079018816818716404807473450004208133921575868348253744075604799432145843957813423605810105332412647450665127807486501458209515526613019393028500187796258680367039959544511445345651295231519027923529898288555791812820306822255024790709216737953955611998280894057378501361733579405718577656983915291606545465835717848066399809073181913600026941908267328647397801015820525892251840449222825782494426317689963522765501934597954639092461494328850002249842597356020697053628094402286113167559896293096863789933630576493791307903414938577650192106397357594758519031647699627584516953694202604179585626083487761760118579861056526945186116533086628397133406640240251705327592247594620179987610313877535845162093644095826439944789337399614817989706729552772223131141002162643104178547009428652821506895272348882690378188927325045078435903450497316431249044233864407804908814501095131208660412387882962488972771961971227383638213747842436447618717114029755885229
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 2,062-digit prime (162 intermediate primes).

Certified number2,062-digit prime
Certificatedownload
Certificate chainshow step 19 of 162

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080479866 --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":1100000009080479866},"decimal":true,"detail":2}}'