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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 #1100000004880142027 1,620 digits created 2023-10-25

Value

267533285134923805397766408213016862439865032395493283774727305017737511101438707850778720490159014826520893373824450330057496598668316410621584362542098672737623506173652929651525096712731950188134803594872970534435960225874673291662902796779080677436438508920368253538872824689802786103933479329320931774955060475038887416838348707435892738447193923567982088314898997774325057183858946508086617908187810011679037321042497465209894824519259602884343803421542810854474876094099569759474743931418262664439422326321430923702909308933497813980299310304817097478881086124573163610721448123672935983992843797046384542831406689145964121329842617443122229729292757924092765017086659224849589284076748207495213024547321010759742421847640286979058356770039340623745866636284030146901350790248020201235726386161114676430805625752784626869143435332833055419395601548275313512162371298761956531839720159447328649433722349257755895978649729618508331175793028821897187420327931573664936958281125252527236249369347149122076655200580769632512923035709575336040677157638229535748184671440285646908225459360680590382784390555109072971812095294411769132451937397568783489287345766672447936951555154652739754476854630410869345744300227976558753731703722278830468463121932747669118872167775547799820035795570071376989400658285238473029968742381672150637866958301356794908859312010299202980525137437465102269495820181034752449259104512587498257675146816938726357651034494511245674175973252476077744515793232255081041622874340848662426443681220030770248069460495720139355379658273955305586635709313715721228828775178810911821331734185974980207
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 80 of the certificate chain of a 2,397-digit prime (278 intermediate primes).

Certified number2,397-digit prime
Certificatedownload
Certificate chainshow step 80 of 278

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004880142027 --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":1100000004880142027},"decimal":true,"detail":2}}'