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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 #1100000009053592188 1,255 digits created 2026-08-07

Value

1303487566524809671600231256744458665049619663386920707363377182545174336233880146441419323532605143605860079880632264947881494525948420334815793905006513354942049021183786283943996865767383538524339675346443705247453468480283590942163289160575128905208896448939220060790027177927870751999797282784458128305083346084183547495509574675655082363874010985819041270307667215230491239029742387001322252418360923624634678084015274787649269406385812773476187250824413189538575680476726329005005744870836553859885764003944774042697769029422678236768756815818855556910259088243320836733098566104020583993894200706961559820273951314790135437713881224017695338225632057188227208799587525807485126337229249834404330941053744966307956871729664661529264130960098177617516404993726152264770186407041596709406697349249973385510253004771769737738836823603279144436807909419991469087855697639535891931471829954469963251583739116866767772452923982869833107035130251204573403122751809964039623052078999621509168163544048894947830998703257974565722795871381363209059663487481209343737029907460233319895353335612499561105705589965847384670329425376170858442309886768489007148918347132670097780280988590725699174336151834527344417368849394883530073648217066941112555517970107229
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 76 of the certificate chain of a 2,203-digit prime (166 intermediate primes).

Certified number2,203-digit prime
Certificatedownload
Certificate chainshow step 76 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053592188 --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":1100000009053592188},"decimal":true,"detail":2}}'