factordbrpc · fdb
Sign in
>
?

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 #1100000009008041803 2,600 digits created 2026-07-27

Value

44071562924820612205070647172307920113795271973348875690312268497706004239926947393501143650819462279289879092007691038517333597414247134731924318448758807057621562101547374843129137836098006832424761083700447666303809211213273776583375782238733233817556738127767746955243393373505076194460154170051479663609289758047843019879489061301992489877168390590209726940274756457419600868674688305377027148223168003752467610034217636898225222064401029309392471575162749799864481637304527286949091875975545828827366876640543946458606500185307073986482566238437683415209399172689992245796016963357139441577365214359186505737855871529516994019761707735156408027816875774411378867935245399089638205940687440221997694743775690641364962392081993989249106377645061268062457265999549623063045263940849384652503011480764782538073478805852646067601716357683480846364002926240621162391547727876565890901365219810250018534203553298872323898357800235674089568279893570930971639535729346088697299091711366184410817646571714745168017275374840770513087831220227656980143420289127239478078971386675747701789489396550722800968288004505964558838192541305311571778490972305255477253676332632671801929137461941568969142956691399092813705527205424166078259946030440738036859976392167414250890436932147144425414656392219997494182783648793257558999140592073736479605729734145256328928021887171393040507058310279764527856696951025065685424443902220772728931383456772612197685041427554776915244164270730598907542722366341669932704493289877596831404442670137453983779476402018667990854539829503328572668379653490315310278938041185094496487438337329063334462660433840616240019736928719702278394807188395133587350676933568399769864933217338702261440148851238630584835618840038604799999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999143
term 1080^857-857
Permalink
Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,600 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byA.C.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009008041803 --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":1100000009008041803},"decimal":true,"detail":2}}'