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 #1100000004875532390 1,975 digits created 2023-10-25

Value

1562587399733795752340713402706439922788820648676535745410787493045788321825344418858473343196424952935217232753855059842263680963312114902257954396961871229582188998200064820598466740741130942253273041133724724438982066758918578666260426200051336254008707851434279508317085828410726817811354120934194414545279295765406656582238112726813184697080833769287187226550795908168292274995550762010783763603999168617595056521717978649043656328610178585034076824802768021534201091823891697956026111652033198929404761597200707031913047306427171113129707345759435584757656049602236689501143118931300317721623941185262995231210961443336563646774031211660207280406191503757731982831513600326918396513295740377618736182020296095588012491742106835637255234156618310559589314405052504047478105799826898093341016263590681619426994735909132949259643798207120886871384707884581340813559730239493544544742368356930289953237283971464616712618014052617118211271818895321349769179823127760956521505187015843628395983670204813907988046391738535116452480761085190342889847765087591522950028720003317896480773968492237516389434409813443988643874552894240778298780864748119377061130643902673263397496546971200428808761527301888322645653938040887374269148180970863444437802174318613879828986961960556861785068624158888550556055773446122340409241633220264514475039829982380696308142884348458588774054443377322792543019217099119620355957867616626338195172321383776172676018021773208575032024011373964951194158990079311481855176451760967315617285911818205269706961348414975784234017865807327851814092578610964418446642391445710430690017912641750546379943930083464954642824627437249578138943177384481440278441983424149002309165264208424402919958756232910452464733904465777668417199461750078275476475993498404073207096325744840974233995913653648962553767704798865652951603217568910190139336620041503754483516027814202824540917646053813213315102709104089955250156903517758191599827054882711126673014808052171
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 2,497-digit prime (268 intermediate primes).

Certified number2,497-digit prime
Certificatedownload
Certificate chainshow step 50 of 268

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004875532390 --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":1100000004875532390},"decimal":true,"detail":2}}'