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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 #1100000008766976815 1,886 digits created 2026-04-21

Value

60228295690601535869808867175440969344850565878150441972193267508606342214285521443058116833573539194614260591420267921667023387101059178082868544157916749089660489390859636512107521720861147160582389003344167868861203658343323409608297774199718129053065170635181305642678189272245221476646019007394570499238327544010987361435394039889468374147069359177336165228197689593411291538889016318716862276054374857173252562597262420802041323144234796889500000167574949840542509463546150320146623216911550011441804710817527300144117549721913578968966961638740182164991091572677800403937578471500844253165047431189438090236863730697482174851350744518903130404070674670336117609448460714764938281981070636002932925540089697152313446480256943315209368543838415022088870882603758740358164125051577189767479278877154691681194080752675013606178486500506030124121415103079365938012741951565476874520783770150219080344487956314635474500300026642294627382713825665700946120004695678607427831338205506745595065615489692072874701134626981761605398149219756398877940155174801982473949312324467408996842960826700277157003827945224467230966369367653259066250459436225112915328811243034117592118763074463333129880228530987626387130246643708173312927944193469111742279507348912744607756844050884113794071579328157732814418283976280294207458424645602323187641912657812652104070883599256879803512687769070881215025895316415490380295471506279933619517914735483164463230831178864540643235399082703920314011609347799159258527551084137686181504611036104402491850965978442337582284787599299911792853165557033935909576756574388374814390946737292054666716326729734135294100789614317889387463704397354481970373825344880879672271597240683179995630402132174717625416229025113077067529760390193727872774506762230250588831436644040984475436573403099844104357944199843291788147930105383593033412291437353712605430849040147369
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 79 of the certificate chain of a 3,127-digit prime (189 intermediate primes).

Certified number3,127-digit prime
Certificatedownload
Certificate chainshow step 79 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766976815 --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":1100000008766976815},"decimal":true,"detail":2}}'