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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 #1100000009050519915 1,787 digits created 2026-08-06

Value

76597132101105927776848102667922874893567372922103393269026669715057972724686522222154653647911973998091214759030883793397056843180801260303505462318052035529806576605393387814916231232786182906353255999482002058315696772089533394290613603423798390161276216047315158706425870306066229746128158885686152859294745837675281402525876443610587947472541169859092466784314382305417653779856271057391960367799344061270826165149203571216332752744758157962024863783719514255807155880093662983831579340786117349735355850836384562348391520453157523168874972371376762170311829664217224112200322382018476430583940065090202200296591096283078690616255032575690947972797735947189370319075749121260952889226190109638411891320748497987237418929040641285065415277566008292316167004340286631830138540883485498513347034397336303936903510716868942248189855415234755533624510939436926301480949126190850606238701221741254323018753001828506015624023649884038190179844814536048768450626425060458240462572860102299255370998057535116528516930557945023296231835597358167471450873600222984574504839666855203964494838763092159023787405571750735809127796734841986564200508585510718831171865948065325921419030577911477316661949816934313703005907982022480704851639105880932010778494560273971810929297393824280821206199188209729796856814229041430447207417874815664869159721509219243663825692682633739064607224859941544463257099961765634924992203146585282438981345192106074953346498352902447510548975122210670255611380503025212118434865599724918624902577577746908923733106465996985121380125148113816633355591634358047648462738594034081419762905762627900545610490660157995422815696706302988076025156216001414787291851833339763072995841589800758327058174303383215973123398911577196003799227763238326961320560248396257061910249
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 2,695-digit prime (196 intermediate primes).

Certified number2,695-digit prime
Certificatedownload
Certificate chainshow step 70 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050519915 --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":1100000009050519915},"decimal":true,"detail":2}}'