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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 #1100000004877602377 1,625 digits created 2023-10-25

Value

27702554325017952371422854325293441399438547168606791997071796914331753829113228591033787121911965770696756286003572618165229258404352421376615530426767298706784395743719239612962579395329039174293451343396092720306149153083613976199273181066408952663983174528268702039084475662307542560574830508622082954957976605581565349775767835142769767856338816154244453231539755524530695570609922341860061650403534008802485896373290777566612794281660545633020387768488268859497067584959556712348735769524858693525414152877651493716392272777143983401619680485583060955227195549845083266994932457497992035047079417313249427753432780628505159830059020072916530023164852341966655136899240046081005549453876146332516000882516411513412090356763101288136610603998699403988550516551117907173728705588924922415533407238164046584336157276261783825512370625854517255677308441976635023044278937276351025153549026248188920620453973442240809227168461656524481895025298789911629436017634636770402603617834743027623684305674078881375515550056329285804765469784420862933878249807835876275247015560357603081807887657059045446505933041325483755896491638453041761376263558157835282113235414886200127686603792842976700800056608456388594485862032133873209868829145149236227849873120252154596536845401616180070521065944090643998452430569616658077494112927464793833019544822442837716718687724461282564236109244640882823027213653619869473401581062440047603208848273647518520702608848203747911420160282857734418070086318390817416906230553710544786297350388774364722535747812338608109051364083598647326046109700577420091456673242395312857522487762028513890994637
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 86 of the certificate chain of a 2,442-digit prime (311 intermediate primes).

Certified number2,442-digit prime
Certificatedownload
Certificate chainshow step 86 of 311

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004877602377 --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":1100000004877602377},"decimal":true,"detail":2}}'