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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 #1100000004880895066 2,342 digits created 2023-10-25

Value

21001214646920866722281730559679428703165454680974597054101979535708708996252121925699684690152426716259589335448397606149193733267786011753271905086337517432867054666971266999278053046699885905549949171525943747321131033376413670879348997462807709233711729877855601729701735354767550024374755747752136713795939069966732410422485891325519780389777267919680100817145072734804590647269156886532450839316902932537999875593949337832651456567630790935515852406385383416072848003096497128017846534211469041268357054585471043523777237066878871143922580855122858158412965470071962212374664785963659674767444142849762802544879117283716231262345503794447825255078931015393304777563910489970094080964673773416854596925528721613808611255696429750450814031200143243072543564363272236009205110047056648176844828714316770602299519906348368525374079682549669774110519142258604799683779034510726290380906827595168520453668112490014287828814618792775258594673683339083011910562747727763556013346869288926807632533288560650703961206831264862885485210659300985621484189667799170774765261700478651417759659275260536424839483142888027371327431708104488527202241750827878776936552538017569990403333764526402909996040904745381328009041386009871853425500248458984423563888446361201858532736819493535120867257935508897054606040915583711312017729547782387752061619841750049629911667163949746643902254366685120191316013917639068426022668670647362652631774169425408299050668485751102457684121801797102551303138052016590161880528575997798999178534144983442608419488792824983390628847135707405009523025825690194234601025834277998454297879018060078159802081716743364565374893270468146348023674934763467490010775403839906665307536697399034479274428665549548378596752839655493338564967893296628390059432773814730414346623945287066480026444326753747824632072071012020157068904948820744257488378047869484444554363874596427635989074180599274978740859657685667720226349483326279607858315461184528701607289677823772834997861189423825834221802330374124491095854940749163781503990797945978401523070308974572636021689711991401317198660689364455356985272366626916070298744089975555042096058122818915457968320293901586126157741189167255148214057304111144114306242364836293491037998811661603593886712863083991568523728522025371950988388702058795582447121354878473703079477632763730382721
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 2,364-digit prime (312 intermediate primes).

Certified number2,364-digit prime
Certificatedownload
Certificate chainshow step 6 of 312

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004880895066 --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":1100000004880895066},"decimal":true,"detail":2}}'