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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 #1100000009080742295 1,665 digits created 2026-08-13

Value

416847234380924554436694067534267098420630942781215566802839959132452173717838580991298759609160208740505693409892099246589454690597816923607999051876970275303434962611503176666858828758137737263804446584061274400118817662656881665600154282559785817539136779567737038448772382651525784589334458269219254897025088180480869902737755441699295645408644278441823068033626152096990598050582163764518909707101200716731004045884206394009902295278810041481070177997654493379645022932160230054155471176381303511074992624628583585366661891487204817839251426823245014987551490485242620922672882825701694869264055357304274574398187324796662666643463375440112815575762983932849838378289869486451203727232507905547053473442818444131483352242388130152240916687152084539416473845915245548111984175220808469835480832301093829232235175193548858685951814813808010479944489913654277452797634187399021568056695613022754003779450464067781362265963886684595855380919920380655156237083895383346567022573942267474077562584877920471731044559905412768517459511534459199326675085603296222138210197678661757545923891591800231535880529571658034233967244621409182607785675307769779727543145319329921968421080555175231152122164768773932382865277340068373808066054219209355956768645999560965930474455139349961289118923661451878936101339376822158794587991539123585060304460476009244614733324390938351586705155567762207220443005127590908521380025241491932250718402112160378392523156208982983350034114641498569095681741707279436444276858760437968169753361492863677395227006236710935929241994374791298286061307555262388968780219014419583568721652937885602591433782623011862062521963492763558418304395641
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 22 of the certificate chain of a 1,928-digit prime (154 intermediate primes).

Certified number1,928-digit prime
Certificatedownload
Certificate chainshow step 22 of 154

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080742295 --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":1100000009080742295},"decimal":true,"detail":2}}'