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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 #1100000009028283816 1,082 digits created 2026-07-31

Value

79959782373845519541514233758377237803259111394022555219496746795785811972715444257843252947017920252324366270047056768969981805846789117902759298593437584187275688002933337354488942162294768701038201452266799062100778197991076150010307942696209334083990101848921045095589292055474036625236444752073729633735529367105814035141734267046242780419300030381289028080983893475822799087446661701708290873830088167102906291576336602754736826244337442093341549026265940276391399734446817423370861206853363372191034066047331097585764359285963926199104263469749731343078117542834338636241029031525846415471939783543103963473248124244637879822750750324885653051488826943413734289629086696559992666071141295087723416208522545652211958037562965706887761590117260104443839128885858314435470139103286039958266920703055908302090069978340349673093414359362717197634711818898292527141599667972691697568297660303597936025243135319235619249135751724375390959349059954687872935302965272929276582692630178911033715246962643473382510597200942860380704372105277849296861211889123622264689543293261084241993
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 1,201-digit prime (100 intermediate primes).

Certified number1,201-digit prime
Certificatedownload
Certificate chainshow step 9 of 100

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028283816 --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":1100000009028283816},"decimal":true,"detail":2}}'