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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 #1100000008790791147 2,429 digits created 2026-05-05

Value

18647927392436754693478605364076639614661438855521170966301060693091728060711370009951492024307236996814087657010897433830241871040416886101772821089278189341529859425066899117025996390736453886915650024115122865155400756177611097477174715226427187503364363237546621394001571841218358004274316310957187233041740491729370770892695453045250867476596432140786499277022267658053269073321112969460996408178466577760715572297281074426716153736014011215436382131587912368010006232668466822861591815161036669376496793920626414899755388905172213820547561965596735209852757000662568659518973916944137489094862375396646673426588607966047926475545653332830211980056918521182517747482665384618404002228854932357517434967800237859872949455885894523881523253646430925643952595556092711368203376794361381786750091484067830058208681701372589425586023838215201094580048817259962456930114244917258134336011033079706000936677008250133157727660227724103793392800590936143520435718953775214802734325575428182507411429294980027217799210385146704843524904430420902270603135076763370430568015150521387699556907280835654942462630430357404914259321697452308046121148595221324427936157069759178104523394660175018727447099988202033390040231516970953514089407575313891485471348295945899130314987048207148537430243567846933908258768824064628250652325261109418984091566950051768897736385005444391696898706961621647839389864917099850894603783396101032154746984887090736214448710960622933401182870379279799519903784590952850216745045693997060755314376219222315482987329645970297247588468359918243101705875024898435514998214563203990785695563270655358379977675931319605820462125262565724941638383674084936006356406082565525494168539310689636596998903529060331547475848843342572060837754205363748550101384780116479118822740691958543167508571285982809259556012544575005860004760929327446341667128019667097032013956815791550843942057026957065603225989024828062744033228141224107438975897686062271641271468668578935347722567221243427257243721234193867981183867784333805418975694763231843433864220404019078059609571498599196206991850491545359807665484013935631872104183338723970559469886756044756431259035885164642638773227432771068079021033233707032937086480687743876264843485367921911019875389418376703957037410406186823077064413886806296394838809405511175404074705059423328435387871840227363549519884853028502919531926287148173606766071668491501289157753054152219751
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 3,331-digit prime (216 intermediate primes).

Certified number3,331-digit prime
Certificatedownload
Certificate chainshow step 68 of 216

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008790791147 --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":1100000008790791147},"decimal":true,"detail":2}}'