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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 #1100000009042948438 1,079 digits created 2026-08-03

Value

11112882705922546071723932976901301831427970150161537431699366861048761122136497218016065877952523543949429243782556614361747320708318683022955146345005151582323357065468319915022052093404764093976390547384083597653050559600164913184557046672344937981938695888954426650274495822452582522123884222179295298099683078139383381198941506447811293566843840124999681563160627328616841894111345676095880245917695436531238192911272640343082623327672779056121914549553453612287514708624650591546735149534310247129525035963259399513354437764257768305689965295518294851782363922340966963791605616273413560452920355898480297709544302040361922786300394474017838163095404298604532952103967921349004479612784290181821479185700433397348263818046638638069911786286059117076962728282094445744037000831824242636926861177406476082552855235397238950512682193926435752807124728849833852205183742405701669826280114147135009271540588102998158340797100798703492939947421463714370128266025668551757069898633152654597797320148727290266267244955277678802197033585512232476788987975162026860390487848900537829
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 1,339-digit prime (116 intermediate primes).

Certified number1,339-digit prime
Certificatedownload
Certificate chainshow step 24 of 116

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042948438 --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":1100000009042948438},"decimal":true,"detail":2}}'