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 #1100000009008063479 2,230 digits created 2026-07-27

Value

2131538565470838376073051185233844656284743627792024371863769047257214904051431494609203869223000609293834548495311647765618249262615173325887166654608561268837232226564694973770579790783530905851101504981427657636636177946506356954633508607031793285528577501095520719599082261364604479809053910232056019646826951182689827077376754535068900957741852413027616162209980375006107502497323653060449151794131200941020985753721293529996790310442446353896347867931507686204053541350935387630676752199116857845026951013582522082166002282359711876096755070059837531141394075220426535388226422404913659183649610701401231027664757590900381469190756663596839411419363864231822012248898602132016239633903222700695725466874545067968183564677146471523951409508130015384935455731066452976682861814465794096863302727379862204091174499818280744967544135386744801879913812370449313841287343971657969647561142188655776418340667184536104249610665294623115453792487021543924030882884152127437412924797910322431507763542967701500995509279835898506847697458586585096920647927364771540250512544490638671598006890970241154254308508502504838015119128274898323744299461450698196592463889870323404521181570833449929446466751780745277436978336691833243390311690144258479840501807494904123132788264545817416985272058700121179479728007697346021668080389563487205026377259850933688773302758390472769770202757978417043996581870013140177798393696504810050996649812794038065766105722603672601799730128483529652235576336588266767088763039091369418511387626887269196837793207332687257953209942975499244475495638272297850270433115649873769642391410074058361427812413254135040651046348467595634056738612691932731678700929316187400676863204045810585939313888737879640259703321826126026928698655370140643175601917613968329239322253802190493495504666128515281171669246364606777946575704416731412336208488754991015417639560529401796091604938900171425569950310887956655227913633019394082709416864376768489526567904567519507071691428437467615340635969364763862117668258242506997597600284112053501641300152306216744198798408901865433518854634713728933413130941609038495585020712609135273086681043573490289281090580599679115091772220121608653277850097555551482754978775394419319
term 3412^631+631
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,230 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:1100000009008063479 --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":1100000009008063479},"decimal":true,"detail":2}}'