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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 #1100000009028430492 2,663 digits created 2026-07-31

Value

73288781088584943089126114522343934101689731760279033168041184017381419121750251139895388281385122111700490441227799516891701503775506089911293788297547007151548122386085118703029142545672901636245941926175064786051662466749228002757467928157122328030541340468900865036675609668687102266098643560311682997764179671678423272425347839090889447524225596423962219581230633290897302526200051701405581511898663699092970482232859931673356160255988528534640396648228321077624539460380898896151617201075049114473514663770246644341754967705439076292961669621147069939463241150885999096955103776715168684498931910198169791030723677618726401550804431178057916654977403759378245547666546409963632165936256117724462171823104605132950032111153752417905347461385507223982710456320164051198092620207450776216700050996810061841396927110192316993159514147488050734076466648955918452822823522320527320917692580315484024437936778960793988279916755431380328999246012761600962015808068332213408199655015002526236396552228168312069137369767436592884339076158089748272374600964713401343444975804472149601551662729403300624238592576771959632786151739106610946638604467230651704306285985795146159149888993914583485068706349551740382412955446721379685897533156790736621180796489699873662804723905322567259107806103845817040747631120115224662903851739965471662310441065098108929918687576530839010591864584835189921554962198684876610090745662961704933051975626697681267927213017071629281684425205563188811312037686593502868788552963079364308765122381945185645996757659956193675340820055353818113087003540555391225790681760308323412167605019368429414885647287083909751593159514241553344059994516541925746804458529085778062364513970913837238261670563955759227118778825906337147774337477209595611367051947056747133963661071717001669636274295882462465385775867077351047505179960401543329634059611113621037786507062957764236848352781968754944203518092706243517346610015414621285819855574711982434817919538312661116200192563764371199077134578202323020526486733022058465726770568192614407613879157710583402931352472305207039321561069355775070026176507070233692672180438124539042372585207140902454648733708737368554164960136301627082614047421008751802433055108634071771054871284617618655810571055560326509158123807981469434737890498327282569846066085375270417017084468725666706637698594020947711441770775005475324719010413634418539619388830174207151732022409270725367139612753262335793506964184548820899247607063546916353784947768476696736838795790514870684193182486482995607294090489122506202547439138270366141256620474174570420987497100364406922395848190529490766768138272715960074364042827715335891
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 10 of the certificate chain of a 2,771-digit prime (206 intermediate primes).

Certified number2,771-digit prime
Certificatedownload
Certificate chainshow step 10 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028430492 --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":1100000009028430492},"decimal":true,"detail":2}}'