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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 #1100000009060825597 2,891 digits created 2026-08-09

Value

27480949612760830417819576807518153002601673335288383741067399982030040454275993376170004363857574302049300932121120156944206350466951653844423771725787865316957270382420437749478191813244211626514776963212541519058591370694700217925138481940302314765762239114216597420373689951294417437317367233619947972796626109318730964167189872723256746623707000986047238405426755996060566076465653567656131528743691069451719454736164648502354289270327568966988548393121328341346716302906783251070836416818198726941561631982890521156114144854737672839761828653054573876079895832147254602193308625257735349664529530197298102526375903977804096055923056502083429904854899811762168910950095356358278669439239646734944928760986874736053589269880008053890031628400241667801545951804102490669592768768944131003229859189855830737638825099738906145329171356589717472683051094982577288308918210274650180748973076805475597343881729479167314352624923476820098590545556889313394935192100075291955029685418028151879218342262436153322462712094454767385671471253788029756579827621561411416290181208231189656113936994806406193661532954205159208336494230480983532281938345523657291196283888427894590672863820713564590970402540457250912113394088144998687640653503298949754307122444342950316708867041542439225715508126796831324181702715384302166751215346735771738034377748610311575611051354305560253358813394339446882380040889186718469140180639940565161473121796996827128672953601700980578388539434871679704367655937889763735744184394044159179986642187005048482779533898308862597951973224351185077327235859223539842457975363550072976108347489374781424942256556342939737047069725200770882190925310403388367854878173235456115623286412916275217895423929528879220402075314903209926410423109117483503740054369782447352236398675217924081786514017413951558864628143795290386790476753000093689991751050982310307527795263714501724275643745628153545710798858046750099372354960520033336140163983032379145464927236159130611160593784562302785658662289736880445285491789819901450252606872553289692416828976723627747858944976257477286449262287945760069060252547127531133368813982394755094021650817457312722572556940070120356644888884831676221842228812720057675693616981156638317266809312711685399931931081340396157325520072167425864228259961734111694040995860741073863355267426324866295812383673721156069682829093948048106642468102700975637283630337169767964642281299825291901876338195345296172171375331665320031305334712696446166604991733224228379871182526263847953617295409534851064992039703332514271717472151629303391275943463994054136649615561103883455020430214989430893666358739019402773835139410528745462754758488167240263070535422233197173311494210499315548994359682285653968822482136686579067455250358393936134186254548379769289414832528042866042029769509207283936462552420424192295351446892790151903935664052115502956622714011613
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 2 of the certificate chain of a 2,900-digit prime (209 intermediate primes).

Certified number2,900-digit prime
Certificatedownload
Certificate chainshow step 2 of 209

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060825597 --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":1100000009060825597},"decimal":true,"detail":2}}'