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 #1100000009054270457 1,969 digits created 2026-08-07

Value

1218722802723539167677171581609470367231324802819877866607906062934488390315068934975067008215077605108130032964768384606754796345707408169389365841094080030121790447811770068548588142082494985472018257965490143638995845829748945873638850941663463855051893374687273344268334100709190869788773432513362928798167295545378321426054992033013188959118411858568890868359580036381899481718507477472305050025301949215206881796892545071234265217089400078759321509462521794347714249668048742857755633105360669345617505260423632673820010074384118279036508590878192189645949682428084448089222196749680116098592841456367591785884272031524221475127667400373986133249658892047497139218068459412891264069787086267891686638041353097122934318916615963644861223826539474997523159365985668418365915721674989264804595548063424808334642556995075390159030367865683557522368588206387407652109159597126242725582504990224867034840094588535589717587856138569404836400252897973324060273481839531482577928801364874190669194450339056657507037073908774359815016087854820150880408751204459935151385482003173346530077826259939424404614661685732745845698506155531569694637438234977481801796852106690129156441750103336698077096765629957041501468864266398841709300296937643240216729122320140158155271117190619552191731832982065488074265742184450713088037496737940736377281023138788052534182966472209303862769375469714852484799115040301622662142576319123122355850021934290412589769312586301304245578434693312875851736575003013128991513469693930023920541717357648609896519144238924159309685001637406200401941613701306608266129337582348491862417814312298157720094208523682024489221017291569440824651725414388610648516371136731589666955590159762274697930179213885856708023605482607339575582103077666390211361571395152191772752288069540775573955865177304891631610836350732924245753766230553167737511396767287011626577383611567629588715005899074179877642681634870296457734064384090839944015255971740199752923277
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 2,580-digit prime (189 intermediate primes).

Certified number2,580-digit prime
Certificatedownload
Certificate chainshow step 50 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054270457 --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":1100000009054270457},"decimal":true,"detail":2}}'