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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 #1100000009054507442 2,074 digits created 2026-08-07

Value

5359357805340383677787523299586307756507222767991703601303485314963602914311975290890740685825618689003419457847057440711666081947604138615329388964149258280722109898959712066585322880945499320597477428534591188184916858200338531660918417125836103876146370393608651950895002182438050883215207710405120628353373488373191787710659696482495368563304293163824781920484586761531781161293522800879141714447192036591647342884016068528463373882140467057730777336669197923472185368422072325376117528230618615603089315211759686525233210810580939347697884360266102752652346676189969002223051823637157733073475773002176574888779919308390256065472996449389035470103280762367703096059987095347646667193058931620017411201771606444971412403474541649552149965869212101512123833344838450844294156022094874747015632738539790640663628779694430927115338482806016885930905892154272931329969793270666692942090984428771493642235250979957913367531551844211557580446008085378334834507441043842107734888730787567048290221757529360333030801250715010471719809420870376084736832321874267327394155947525614307080605679657948067679204142544169536385408620306924728398175654128309108203989227013504458834677844209904667076852410055489706515466031545722418008164640893849807784650088972693603784052504186259786229349228615860451972940342322867694548744274588872801525875206668324237283896248191453194422474812175784518771475158398980229397591757931695495099093016123810998389825708858527734241598014379806247790908021383851407902405721772462014105218775572088482411562355769721720219429271199535082796242141136025679280401966949025487439669589113854131252068604190031953895309548485493294179815389341557483383049555011638752863173066232887592475219063704984458538463911647345889922022245379850797171506283174480303650473166234434633611317041410699961328143076764707770150130095079796613427836428562356193904326522121026253642296608183899403516851142629552965087442581433042305799815666614977665953394564945527832807554228764807700140332722003980612364853696957825764817612336431135910044748148019497874412031
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 35 of the certificate chain of a 2,582-digit prime (187 intermediate primes).

Certified number2,582-digit prime
Certificatedownload
Certificate chainshow step 35 of 187

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054507442 --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":1100000009054507442},"decimal":true,"detail":2}}'