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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 #1100000008674994973 1,687 digits created 2026-03-09

Value

1543580230556109320818253803690095961939995089869999041862610875565469785518339291214255574499553838251299970038216837535706968271182860122187008533933743921102989822871764355709171201944103889092926661166979204041376585783122296907631896725574913490456883024490792915266644151895002722568962245285951766089885401765615391820546113670084968134188713052585395154677385081625130378729915104452902581078886774762127668759054178017963340411669040437875517575056409392377081770078950505006035516561152805614374452370536112098608561853975566184950419944769744601148047597846187371064380274449362890668086850760640742449336571106324804853829331970629861963793846431597056837018251358922257459838580052915901412233699497658653869284864981597381575925773654072775065282695977757905404613780772247717707118100642096853487084096897874625665049149526084749916376459643628274893425066366555956785500117064627768660520588378644642462368469689520023420856799344630012787181449808389434976781694498618153627221312591834689704034443508581037199001166983944511082624660372661629957807573555941432000233603844450869644603231189596036357533100794976787652546455928850109991420253638700495365344668058526710977373519886363878923077914142186941136864347314897345497854974933288334015584557495615055624685530206372530666292319549217484423903383748215373045854352342310510211667497378365749708522953725841914553347181053260765200280943092328932947490587844630098712761448661308556596595197473269412203117992903749769092664695705748456549503176979961594342191134458437716668303970078518433080494658225023351928469274547942255399445729832392400827028947902103476453285082757559670981440211640507143165912450917727
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 79 of the certificate chain of a 2,906-digit prime (166 intermediate primes).

Certified number2,906-digit prime
Certificatedownload
Certificate chainshow step 79 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008674994973 --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":1100000008674994973},"decimal":true,"detail":2}}'