factordbrpc · fdb
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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 #1100000009008075904 1,880 digits created 2026-07-27

Value

21535658578592534945633878240679962456155395480461412765175808056897753302270080407411746326954581161224700426370687427787641847742435784430453085374169816730248915235263071025846367857341490061595822423904632899782984491531693211202865940600585147050890610692738370582240026832181018691181160527240355660498284320552484247470609316521805567613545922934103155450151453850731225554611681214016338490706539909119237171566828717035762564986161901890901880132686233770212989612932265232788962470917595843340701304950433524023014484403491040302681201267191239778235350136130760993255267544123128972497618098184242311782012337073074580737451749306721779927779556197288992452235728520911328115080926226569962361257413642664308992153245548629259847492582008966366005609116291500311837482371415256795251197066969001340562664738842373749399749334886239640699462847831252821188165090617522436417031170795643043118685590097362112376611874006136179521103543984735228577517337998001658911664565109809488718414860860702809890141061913923326870492181296922431390411014943130360892498877394734891589923442406227254958990753676607600944046470257740459295486417093275618143599670540423977928850056125266956664736084002412707895878554685407262201198306783532638528813925942177439578194233781615338584703380397725711177336138426095305810878871203648151294781341242109560986973466397400039972191192163220914272295009677526728803904107131436594206442879587903133967345800305111217979442457381223045246232703628595245658721299278860066090998513161582457800922608404655296397661573770878055652199779687416399295120626693076215982189068728344435969298165524093498654311275280894423405091928374650328890440270530169542208716804728349482243549294081644079948816172110053540044307451103533644596251070861198205577105032237421294996419438849485255838636238271178493348751265094867939338151090755950427257176543
term 8384^479+479
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (1,880 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byA.C.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009008075904 --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":1100000009008075904},"decimal":true,"detail":2}}'