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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 #1100000009079612199 1,993 digits created 2026-08-12

Value

5368809941466528179717794563607666125502293823178043689414158483121981328179178940618496434638856001616788133581767080286101303200060366430506968868653917749011830100349446333069586137272297545275163050765908164474425032952746643671923877583558501668272037826134218250882489787513570368636273349649339559310749541593533628151011298127659234484845970711868188163389830219606701427816711012418770795068114660911451079811474758202596251233966903633642593263487382285223579501442967414729856030083246201018675610978338422920053434553149005046616751107017388372804302040317805719883916300276738177967482533693814944738018998274644344321718272012605476191144255731782803152060906108716904415897164459375217617800113980444775675900055359314828290039591389124291281885672882432520955083700057944892794545136183172136559600685284734433114075185527125491195902702471904616368997494919389231459863625499839040205435725712566078827411809245940021756084566671859981895054254393737651899650286161929453114129656303623383155035144826820318186949754777964097398397952648421717920660115528598895677963234631890613384557288158939910533603879703991342130369718701985204312770985665174998561658802216213018528496571485682972827613853718794944861007802676325785164756104628871988708818011492669009344971505858887576396862150450931928106622661540320100036299627595336812259031383286019976188456217059878000618388488348982891604394368005691587951206219835346770952685097999845870496306151678747459400106783882043661998416068437028243845438785766475893620483321899492415347692419352929255604389143534165167440725741971565410959936481274629095106495091871359578044664940114772957861349793297865899514135909790831646077199150041697971157081076154747937129719898878638506266463971855533801452998531750843825121858200047450112516745721435267048158558101583028517869466006019590893310543699816151277077301467445271705882282754654723408010864647135796092086593579145731293301682882011170045876057814378998256781559927831783
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 16 of the certificate chain of a 2,162-digit prime (165 intermediate primes).

Certified number2,162-digit prime
Certificatedownload
Certificate chainshow step 16 of 165

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079612199 --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":1100000009079612199},"decimal":true,"detail":2}}'