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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 #1100000009104273311 1,687 digits created 2026-08-23

Value

1402066254390845730229319205492231893342892916790745592489236778091133100296275676688569034786359285374863434818650195710919245846832826953895026461445607175691050097897341395281058267161220102091359090917966137148462046280699270701740226802471414881064579852284427057519877425418175899044442864426565154908291829182789593551459478520578056541742986979455624126974150176932511510042013334799603983261555603009160611966114148453951580300078941110959628800816882839802433462306435439103767569383885622695151253215248169070176926995200107001781048817850662098631140948635193754263837275107422932691289934773441272515142874625036683536551172866859927300428927803968185066757847398476601421676023534295757608296156563121418387430258559374650647321891156960506971078669431435072191067455912397743890431876886497902838494137916775774698623035168487765016529718707853345986901023747336317704912163564726430270470683364924429270002033378959675186401289034408495892412908250498137416280713467231990609936380954512653931243613545819025272843543649725758914433838031951585642060004414751834276344310874039016764710002163486939361878219076065122177759342344710598118470782474691078261641222026331808293313199692036481372527395055663116120419061909259211291142563423128112706467325074632074993283027684491906342670662181814841159630054551168144055598878940317612162278656757990887293174058169086143407136144057496107308655066595213420241381021998141062453759460300752853838546233350434029730680539379105870972450512647879334804860102782288222705079970655825768793129589445168312390693077548637227993066599070176586402536978513879385387677700078748253970675980227756124092242906020373955957005646651483
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 98 of the certificate chain of a 2,989-digit prime (219 intermediate primes).

Certified number2,989-digit prime
Certificatedownload
Certificate chainshow step 98 of 219

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009104273311 --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":1100000009104273311},"decimal":true,"detail":2}}'