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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 #1100000009067366124 1,838 digits created 2026-08-10

Value

91890317157533192729326041605074052782253376027768216120378509789571342013228014461047753485702846942860722725339508127193252518621898623289103977258111356808357196807980626064846950788615959031014323454581931460837587352359759262514759226784466490980342507027215584555961264651402040879810944956308493655397984279195139810361570478233475280714558593181845183467699120123875057696318385563964838139351392509441142749596096971952474820452796420124419896975219746795586109418366604857370915104884889802743119748657259538108389262487125997320168151966044076581371936650853888828533897956270359494758370385162992057482354418636901543934915682713837817419353598818708197648310637072361661688851740190813968109942160620037921180475120649191485880920307698218610852831597612392173937496379661100659761486562397904389680271742247219211301176183941743189298518705803642650121968177722455905558998415417972829664766755673971405176711770758241910204301044469280283734559228353837810609935713273645794861186596813350851766698170834346142876036018212751669343150469800957199807793352754222919518203277557661967908489088477316990955069528439976956834302151124138481415053627245657280668456776923437691801327318619516668059867121761021991105714685129885573202442885905017095899938324863530675865433179475692431004514634928246516262606627532544884035505196377535448599301712656744891366248160698403133920018204666570721299035155299831339990089918759723655774967680252616908790752170133254856145541294989513268066379822453516976078413106297186692469013466526673802682796348643924556497218871302034012034432187711510384041057072957910453126493898108240728763018753193762616998930336900208185574248753555493638427822691622731688892865992527777168836489121685769281099318373416483946351759100673656885586354631235981492186389063390259151300386102237473873107
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 79 of the certificate chain of a 2,925-digit prime (209 intermediate primes).

Certified number2,925-digit prime
Certificatedownload
Certificate chainshow step 79 of 209

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009067366124 --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":1100000009067366124},"decimal":true,"detail":2}}'