factordbrpc · fdb
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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 #1100000009078253526 1,401 digits created 2026-08-12

Value

428141293479085233277493557047033172592626293059467075461322164749948538161204439294575139028423310088606344079944899194085277460933425457445833454476788363398654715600618412618679778600753837678183497441878016122969221708141221313659968921899223703960066136351786671337528324666600060993422293475256540902521256091214273680926326709013054861703652463425226567213523493317113874774248069827643203938170851778386487305845519589848364985720518609492227242563743509978356085233972992615896065259081404301713624301268968259803784711830934188409445229830823218936320370700527829607641056064022137620537883968595913734594863127841495485426782100273686989877095918617913806832649061695861054843172813859706323880964598946325112085842923372128579632180097143023783782036746505552629819831984285947132708271613957120038184611753429185237111076430426601235853266358179715563340435637010310786476468341911070288422988436210684255676090270162868781082619781603630967387752697494681679211365829864015682262356012447851020644092507344144046618323159327052457223033837541205685085621907416950956054630437709309165772945473414238847900930378073967384061031963081650294201485422545747156886678179850649393344148350059968676798866012788491893890886497063137718303220047681889510939197276083511726513061460707851944753530350763231144258407629088057278145294619126584910529411678507114840358166748656753829697921802864511
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 63 of the certificate chain of a 2,147-digit prime (168 intermediate primes).

Certified number2,147-digit prime
Certificatedownload
Certificate chainshow step 63 of 168

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078253526 --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":1100000009078253526},"decimal":true,"detail":2}}'