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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 #1100000009057729754 1,113 digits created 2026-08-08

Value

156475992369486856857768102106891012254144756233823887763935231388315115566496227527180982092823077222726107769060681094503825465889128879417415750575773587218200852542532320115304278082274848962740125881076934863339620737217580985986230645299170440792037606176626188086989812946175806800619489137506328085865130393842596266344206006055251684353446626092228340959739487728908595324783342267880704288378900071960938711479591197868615701288611407548721773658800418159263357447356449734456900218650400839770938493167578549767730365405091520566370270161129732911410011840151244229028809347756993763417321232563904561704813476314758837165645023663522920284791900604896039863130127475697073503922330073227063822600709890434075816820390467248925433567324026680674040456794842247073050761692486772074299665678218671146313573307613985263875085264292635247085878716779702080551814879488168135121404986772438683441402318134364885147261720085224462150628528492989582350242307063757936485164119513288921388729030700849741107531097254977775579470760138766673077479535928398285763737547424005928055657074245613590731376531455769
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 46 of the certificate chain of a 1,672-digit prime (139 intermediate primes).

Certified number1,672-digit prime
Certificatedownload
Certificate chainshow step 46 of 139

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057729754 --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":1100000009057729754},"decimal":true,"detail":2}}'