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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 #1100000008668726773 4,032 digits created 2026-03-06

Value

347643652956499389827193490535303787990014151051723137643378951085216622827003256567498328655738640374405689295038376782281626497815547363755322687619246847137068070103251555171574231247125444694705071213689352446690823229474394741489934025860883442356114448626844629966000894642253173961705327053386870074253831168924118598885418271538734068597839706990244895916265300383964662971035581270954188158049738103031336253031371412665598609176316663152517220550589352301333868638062669309186413174196339654890263414669707223938265186576328719022541498159681029386770454804823276833387295127459995631693176187076126915295396121502983430029489703249600018863555743526693956066946695128787481534876544077853086203739026651964144442526302027502891252651998050488995571281316498128883048927869469284474382163039161063505891420345398067646079976526314423202873133967264707054962494381822712828012033756974726358807458771991251144266130692550280163183043737323398507267046140423601550266478552634882199740832778732236689796002209043020198927864361249770366285446043028588267172741506536526789552332644453324024022782411599848294305444011183580194978917392196809590548978181832428430942445697855224610474568750105172085003067119284318631510329719578101022647756761311601212492009319393349037032136699651965336656820343811736748462719133395455461474359022616853155978595800936101496070483931904743029722370463768131665776768898898097943221862579114955797312383309969842358432826769453391265605867052155699428219099269279778965884958745301517803754290452589303932789398237133572878557243588698503147305935415150960510989442716134237603722409467007354574424318840237714487184835006000464959164596854371537903833950486896052742714845599511141973812030013421828097796511995927608706049006559021303474239490352639789284242439639605276658007658024874604371467422062746393409059078277232829043056903440084865758917153274649708348742853163574024259945508850684001947068233262775404334228273262070181741250177339458010583267319437431376309404036989830358538141662372646596649079735198457307919223259018042286897869505284700603391330323312014584941718864782424031972150900717380611146376076654557761552458177627228865160753446693996695201189662708293464566905029016495031148876462488965108133750985312875371226637618898945618680218907554538140711555301675990758514778162570575095703005959156940952926332074973945211122637801344734873329741573437597365887872103273184562778685704723334443875575572305060934989168428589835236308408315844249194111754050459405046436835523991553958621318833637086357585091409604195715508786225820671872099631747487012969748197700058378345669732878995849608258386964434670555295989272770764626729914875415140808183864651576025679055124094144274046301245493197256441707133589898758496071077092749097177376604784365161282778788718346200357473051708987308413501873181441274429039347479879438151159162968478138412493101615895629198028018851865819692771768302236866738049066300674590038952431855202272514467844953125516937889626317182430435651686406645449573022461413704220437704006151816284505471267774333289335968859566081099062920501112729777897097555405177049979238827340666959356151318701184918935538136226910062189610944636390073919103162087175196913507723330394782582373763194706305857019267771097690075852161489303550927705185037508600146135387093479952913214467572861825900536887082115019509181701763586995670475352414350930261774780965640316841426756562031841190043438819024536268309718492103219052380995525661606474886379150582242353534616329240784682639790002711979231610078855367808783949926959932124125649577088595350909710205964219083797304728463741452913703937127101304289567406300970048310680892893043179118350318683711956152215594845081429452758430814646184342802902116033931785024267854397230059017044676207050134044695846156820536590468598439400212804177184893557669166377050537100449982419554949810364190218051628898224838693006212498569513498046918891345896614663978691786933106290574365493846000689488710251397
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 201 of the certificate chain of a 6,995-digit prime (463 intermediate primes).

Certified number6,995-digit prime
Certificatedownload
Certificate chainshow step 201 of 463

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008668726773 --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":1100000008668726773},"decimal":true,"detail":2}}'