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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 #1100000009127305230 1,520 digits created 2026-09-01

Value

80220304860646973169565790021455136374440331734723847879174675439307396674413779055368941300721833813581785226474461168953763134469147676997896990406452016113725621804855550806140984390506617745218152239022244056931546289315554187786735943645049382952164990025237147793826310458887719937378495520013053231081010118329134990198778525888118333016976169507378984897388106884713315412464485488963526922737294840749540160859613492572261290660055820570545036689536631932661465583412914552437948789405662434643387130249930281402039679514769048047765495475149431936369863414214503391127157079336958363861990963825684965863547249197288003648999292212902851094796346024029115372710035485771712173061483238350339500821692326931937361575611329650014428102273292889868826549416490825514951844041673244792180680559660915929461523050667378906989329654454224722856378226197003586124785982318280866726776691299911785502973566726400240312188179349350060719245403218435678576376046004169638646524609529976902391299212721544440122334688515238784361765790732303692511146064803052944569097551043995949990711123526665846703852945025223106539446510273658683127518557013798611739095413607236413185911544983071172245440654159015524370777003812354868508013011834593326207012008078569896584942119705886087774476250644779172184130031633276873907866765857899600606769663767146488987952142578275806743304759595122955005475608518925334892936246676359053921093035233026480410729970387358206531865493221494100176672673327059997217614570575296046258475341
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 159 of the certificate chain of a 3,105-digit prime (328 intermediate primes).

Certified number3,105-digit prime
Certificatedownload
Certificate chainshow step 159 of 328

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127305230 --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":1100000009127305230},"decimal":true,"detail":2}}'