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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 #1100000009040618951 1,011 digits created 2026-08-03

Value

110535282089828119295478092820171462810333748494997121778097031427207525717897216288596089512821096683704013603833931711657636179880474561524947673918621318674831284662717260832823337852286730590590637368110834599825374832295725234744870047052445779817198230430992595935796122650663190344675291341184111889486414495155837080043343084352071952571247163727684970454534027216590792108776905985355103989978229237492529490666996219043030384597549789131878802345537998708450195243229679814644495137469243912283869827973661698416498819610165372303559620561257537407089032033345031434576835546653982355610714019804220127512319006330935639248699474008554877211893256294853218187141534081855503655252798409465887056279782205954576922075924597105524727732982035136868905364377227608426898058358732030811549835806544331305117788214241957933723097919169710497679402452001542446322092011361549851000928993226093540016322954209461919601901115028150371642697320213013972984285264578358353074014493269105717203128230720405160747
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 23 of the certificate chain of a 1,275-digit prime (112 intermediate primes).

Certified number1,275-digit prime
Certificatedownload
Certificate chainshow step 23 of 112

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040618951 --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":1100000009040618951},"decimal":true,"detail":2}}'