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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 #1100000009102976282 1,942 digits created 2026-08-23

Value

1002179856526637769055167163468584877541137411685927423103685985549104843365575200810108401472660296422376864913513548764334707027173015613032386430608968917735449712104518336406836241250000886869749670184538829107800022437255594326037591865452250816563440328504056343011833402295662090271730916579540418085013291779057926601929288609844484411055694171787471215455861332392974414227564045273737161653828585042045729156411542091665066880707160595544456871007007291764390301439585684856039806675994292761180298803878100797938553511621619895342468022438357214594468131217638985023108868662889150079966930887392185497469958748692158684361282460314089348406796406588321907272683378081926504881503569847213112352565118656259638473353469311690223483059767167677550815231541271750233350316228229636985671284150368226884777636531236365744192996484358836428867932235232520674304947693516489261541425405056499345733252989091495158497283195657223528185868667212252385298576820739999337615187671720054785901209776197638953196046415123114323886171413453649692349540369760942072552205656417099279663218055522173006137186231668919592399758520638833928262861858845983780247038406938514634464920166119962657101406329052065999591535278331098559293073558845423589596606942477753146294937622361068435285774186697690530041713882116363801576692429070632563837126082706713385460484658140131704188514879782462926897968113892083776274979556337799194928118017083429219957346127609758437378163666277197441686643100394602559316136111026663537253523364135766194169771360440925087165267735799865464518797270535077397414250243002189410416047624059492511194155217418497446294510410325521755433914272966659282678399829305909477015444503699210617648541743007918612862240613695366429619268174522121144325982256257420648818003033585938074340274494618191423493199744999366353889713404535128193637140047355073076977208928089904693129900017990257075633250230578697920296533215615507
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 88 of the certificate chain of a 2,985-digit prime (222 intermediate primes).

Certified number2,985-digit prime
Certificatedownload
Certificate chainshow step 88 of 222

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009102976282 --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":1100000009102976282},"decimal":true,"detail":2}}'