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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 #1100000004870711288 1,984 digits created 2023-10-25

Value

1223707468216553846216030157920519981291669612587331198239802999579610412370716799594430002369401751779329264505533051312289613909106566355534888290466710784597795388744209991250631516761493651468060918062231153512676851073417255786053565660724975310902806536645834856819241090063719734322907878914138754522960101479551808574823083441244747102324133689130375126017339353724983040819522846525083841131051478389147202161707968221996568469704896706005116660394607979292913540515962003138401059840058142033923029076064184216681811440584290557382561781995024122553141787427012402403185943507231708228190536606213311918458987891176351146884443264962689808672891306721690026269877270975803976521826283896211994269586733143477340183475284113513654195800528142246528492107041410943088028712116224226046417907088333813542148131729370495069534470532229591778790378565286818112480183776080760867666787760078447313205668200186802754693685061536264962004374764250910292279288950608338392504996565690872797999293932084796280912712661120785633614719820798391832788999901157809508760981360222741783390201419331225254859578012711112633681720708481420476625618829225327155171219943271877515966127643865606125469296066641548599584466790399032658071667531095155657971077757767208844733114407960689926680769283971528749768532701841252861315778846200105826890857872281286296245813913312764641429981765176169806902998428768652865503144142964485718674824409852122260305017533197648115081396176099592886202130625419109626971171171095681111268107822247580097039265768582704972220804519536584250201979804687122732077330412600891788926099538806574188347203260440133518825151395329810348194365609102900520152226527174860943692169054105818686324847895862138170076637409971390571674129339487935701428610598017594618566192996376342238194422397828447112469943490653038857452014353447080401497103261087617125904866298317349816376057830325274494350867469322415768976171050371236019555010867817272716880146582445588905031
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 2,638-digit prime (309 intermediate primes).

Certified number2,638-digit prime
Certificatedownload
Certificate chainshow step 68 of 309

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004870711288 --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":1100000004870711288},"decimal":true,"detail":2}}'