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 #1100000009023308505 1,013 digits created 2026-07-30

Value

12854128481958618420667399700078448625353971264253601450175055697412191042852741514735949755405589329465701054007121372184873535994132267418093532590519772014517237246724291287978836503635540679551918920353195270905877519577094656711203224505928997640015788897494155882360217584562455095542863088007642021781349421149179414832781566382238503053775600969482435908080404127255948191097069495149809629615776411504169631800247090762088065101324128163755920494971772375303576435067059950214266758860443580115895087144877944909251622298713247392712682510177091182353887328174029586550793322844509919518197068602154728907968046346643615930976620154496974404236416925051776072298056380196545976693844432512572942707483788160611466350878955321201944977916253085585180207502172687259389743579803942677579224779999465556631482792594666375057238209575223483974459289772904884026194283199370370622214731543511521333717506259184820421687171968172564682251178277929664323435665005213794447375811211921325358345523968150642506367
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 1,142-digit prime (98 intermediate primes).

Certified number1,142-digit prime
Certificatedownload
Certificate chainshow step 15 of 98

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023308505 --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":1100000009023308505},"decimal":true,"detail":2}}'