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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 #1100000004875726212 2,196 digits created 2023-10-25

Value

260508847254142461200534200040987536370342539268019402599302231897446620059343915110239884729705140163511749299617974854731158875775207265309528435058451939411966219874083851124251914112672831821260029077965415132806079880749398191672343167001375786936318371762043300525222756876317278020939654473452354762647299485355330605706163176845755131750257442618945654151382726351348887614268572442722361780586499545489232323369155553131553892446475526887433926071032459526471247001471928911462906987668109197140636724844373435438475332709669904048400237601245899593758586612438806072772244998870584926124051885905332371996766502282153589487770708812689257769753372596605005669275875231891389514178299859127738150337887706021574517857629438381997808882540011641763539193647486415155330438162328518361189382945806439261484521488983410979066036033569616559633894202213632721389312391542251493641244864289135385088348355640826009367035279144277492926324140142490674610164257182797339925817881908334637458193207822581492284787019004005646430589439227806526632869119414632504889247090699047466307853931741335307033659242033208914160690529271303404602235365294237074416114014509291560217543464867763577945925056982128793529299532558186301040284456571200897300472670004824941526632862900924393615303817180911948806663088082691749499677393358775889268698573330073690208313185751977684143690521566712090919472062708040258257113687763672916593157050193080843447696668958034227237460839520639726926843356154446883750537606755231298821007064326902273970132805336043852585327508833846291091221490779363056363460268355914581176823232536161999195660724579748524814900813449858057037248428236887301609874128301085088299585431974518724536826086054113491041116189224852216954297375288189867801879680198861251784567183963636678993629344999190049147844030430422471168745272301224816297230967976524492037840910614129695598746028496968596063446583375035931842254438909555069196648450254569210266667395332918485088577398729995651127377521929588091629400071903040967137002335885649005795610865698431774889629325214725530772689460995150253344426732689214928719216335387308896604616542787155155191507644726836106717908713320502687
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 2,489-digit prime (284 intermediate primes).

Certified number2,489-digit prime
Certificatedownload
Certificate chainshow step 30 of 284

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004875726212 --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":1100000004875726212},"decimal":true,"detail":2}}'