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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 #1100000009077935908 1,076 digits created 2026-08-12

Value

27911681324673568441231316533035681182138194155896728543526131728254611078839715397254081681117285120048330657904549424342066142687582215380081114965731662299720764085476431368640188327731443683367330472322903266985732977613086633742353593836167537006489487019546469645126724919937714736976105781093911103039961682097836349430235153380421113610688527058621021825697037846396351706897309529910809793892648684340866338940607700675305919069688349519948026528199165769993416842566374323179702102636781745521791424020048679825802358294983821087076104454926127772827472133635786804284349693988535590372292988316067017583824167968837707936276966577414551238156817556978705692599688392137739198290306991610444235114430119247002678190157365534084931537062727279454845758152406061566814550534534424029967748800910242129986406370830304180696558403019025767784515112758986174615313817863078132283434748364231578493098336208933881456494864925738125816970472514888401910239521408184003692353801381937929364392823297289530106519816892327505539666092484394945807364928035365265767431481788889
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 2,026-digit prime (151 intermediate primes).

Certified number2,026-digit prime
Certificatedownload
Certificate chainshow step 71 of 151

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009077935908 --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":1100000009077935908},"decimal":true,"detail":2}}'