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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 #1100000009054143170 2,040 digits created 2026-08-07

Value

150903518251360322798798071544334997624523996145185995656579792989929850876660971522248186008630542143028541779812194757335992200941137667266406184656564146975439679671201214898574871764111066045845404224415142977023041815305196967264028029302770906490971184535489977020781077024292721349762110847325993524930759635386965402773372228368220176315574925005441616565023512466385970580167766159843262091562620843257653399955565147529213165231263483913636530302166645608998543167161469282766316560149834672108276758390909651328360848336485752762390853085567566052765492379782876624016525118668683066439077962192846831832194073739181302954912385509806806160616666911957438127829897042578794649285043955844549601286959495809427824944499549974265889369674087203459262925288134249631964397315783819124940296211300425220008359249205006027859151061250183298918291782974450735404803556966283632508283806558314849125861974982430726324997613396287764143058636619148057388616194258065167286473824630063312483468224073687248806131631170373093883563886187880697995281713695905307152917146396536068345506635122144825896225845411893688986900489493546233863219477562216996573351004996111058370425844718604820287633245756915760135037341403726935818585770570827002981238299114207763625430805513446052206526472084400102782198151561214196007904434688944516605286374289775012635961930651689868346570385080422609069300271549624375499736936786614644979049189033515890734013598358317723235485152642838259278649897137659074168108296107934733806160779613075703397032549653227869696177088494631473031854579031767618537479695166038409644470429701147660393288061432772317763364717525669050931149059809380199162619318429697220066812223682816655503396216390897482664843815233894645516271503871747028316538658110194095179460334478876049359375116537085568852188130258845002495754138329575454113117498513194609736660758513680026747251988801292943788632727560943502261351531024160227616775533781830114477083754148824638026102581286343478415872320601116070271061437124115247462631
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 28 of the certificate chain of a 2,413-digit prime (180 intermediate primes).

Certified number2,413-digit prime
Certificatedownload
Certificate chainshow step 28 of 180

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054143170 --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":1100000009054143170},"decimal":true,"detail":2}}'