factordbrpc · fdb
Sign in
>
?

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 #1100000008676271758 1,977 digits created 2026-03-10

Value

628169393922302880699615698646410628393530048599821027065535532965867257317628398641551571018603536602944970684831954830137530530994670115019217942391671496906132582241822566565637221498329634799540978857598386994840777191750671724117848667262449816775184857149706727840773308973893673125554218819562071445822243128423486280602238017148606241413061749794706607896092488618651241198506433165543752614122536103514066411176983760883668022374992911153430212084366581252499698215591772906910278593223284443332173421108696646230788836577969773433053656955187183528473858482990882269563055766413239549718027467196751785661173930423960489300292869334556802431822894656876029998803353349804385191393996876528834289900444732469756698732407482457711518550340330293057505254518273916107303447511534593991902541270236224281854209270984451185027651870358357870652453380921022656660552072886367701968216425838355626020694672596140418240778628403812167419355598476216744632047109257088611578578006458512606926305901376886454087272600605777477802942696397918320780013421694404560222528761559929688042384239943401347409383801399283903264355924460326682019166138148596155875839099272169274140923285038176561909160767479408593364956080432285277685950204727894766676510367032946134777007794382423139702788883542313578717698148006981539378095308135011565534687836094227280800330809402348552953218288337312192746286495400102243209090139298054385744250162553425223045935883823667264113225220425328373957757322618696509804100028278728584289483631276947861234911433454941046703876567961679321451947088456898558853688116315426077484237306659368398320375205580163484789004095231441286802039293822165780624945113598999626811309816438576980454697697700831448622140546376883292774633949617866942562959796190926029894913316664200978888603541360746202543665569766028633667767165137650687524350179182895152168939768627896671913873790831015761174652573499486974037982520339955281919457596737410532663161719228203
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 76 of the certificate chain of a 2,915-digit prime (222 intermediate primes).

Certified number2,915-digit prime
Certificatedownload
Certificate chainshow step 76 of 222

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676271758 --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":1100000008676271758},"decimal":true,"detail":2}}'