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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 #1100000009070626599 2,289 digits created 2026-08-10

Value

272115988205056353744571655733191510609896450682668757297569993158697842173287228322659116882257691289502355695812035008498806857955798229696421138205606017202103432826195798013594797372809913003014691866613599085040399006770909209217876338341199493568502534821061234106449553710075534973788459682591158324259762960642781211518131691182489471250239933096619448995248844978013891502265124212466181753371380071312150797290563314952800643768511068822201061518200723638964390792076833669320986043012426072877626324887296133121117576328696918286788049510907651061227060648833886832479894343151821014228648635093837028588537409929182542603643789805531368238497327227572570500404667781924668869524042258805629294546213965705957506808929409145010555174327663674490787412090497121916844377406275434395786669224436634807454948523605411446213818108286886806533597971953371559729503667548006227290139423495117017504761216783675339407641246260719909338758864244296106426877540039558282323248885272246223991201797554684718275644599990908067279758500460168359295651665564094775827693722514217456787169859387867731300929283970310641543927167669268723716706275532568630294322576318605517260625301956052756281824408056412866729567122216077647751143596724243433582985776569572927085246182572127107023264672164376915867552861679717965931295475762707015436828082918913136544652026218542805120588613973903398268638389561315948753803808588582846893920774881192655259696628939283659724573357191929131790816672552633505816998923043640141461236084163880885606882012791722215109526340912823155842410604940823160631058350239698787508187660403795599542192324503224503367645793588904159774146259832851019941959888458347083453028951462424608304395954174987457684671620260663320817081957508657937509174879225457670716013772621177349859140228640870262234846423838055140160513266185824700347713513256306855504946929356886164734914546537341369490994404892466945226260979353582745920324946377593850591061730266464120047968296732803926365182244598995969255125089836838402052028778103654088735553839673136457934662473374749414848454785972595278388192216865291683736774863080893345006273715107602283264582377223701045189714657429607787794211132544600583448900108351098468158660952192105246699157929368113639092219464309027077899
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 51 of the certificate chain of a 2,931-digit prime (219 intermediate primes).

Certified number2,931-digit prime
Certificatedownload
Certificate chainshow step 51 of 219

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009070626599 --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":1100000009070626599},"decimal":true,"detail":2}}'