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 #1100000009071032518 2,012 digits created 2026-08-10

Value

65961178730056472183492340482158465721490088579730687204944893104539108372541148129023016953641078143546087335281818920179526971878812201626670746389934369049249860729406830336593428480770798016596008934046230078517427274399277922008134324007543088319081823884944460673900945673769133481366295031378173460584139502234634739398883156120729503667360190150359581736095364345291303340838526209058030662232711950512107417874607661391613553494487484614836156494589335286173447430884685573987769067554090310524032500924739252123079054431355257759993235895616915995568391086549195932049678932859383788764099233614602308565451150821500243275970614310986189281387270125700024980050485843312722408470994662458142508024308182514155193505047980852735796920365578346078554481194503443496292760854074265696551203187023196149890307384754124695712585082358200709408232814345667953970923673321538827093394875774082604112394576615143811169411102116798512424338476983328931021918872973471198424522145410404535896151860947436060276568206109054651338944134867690868147601733885940408116635337781772480453561048465031205508195365486421762191332931135406841724277198296396012382750025614586132302108098638476331716600623980297399603761342744594373356436781566303198768192091388120911699887223585145752354153647652259601784478214474820403803156081114153308579860977039187004596325355788620672955907413456701226451348543422769124972514359326392211141875026959941760878956901812252481205458353161573582400979761198352272607435648512456214356358199456786093205947239303469910166664033664179549757932509022876223375550176142075931502238253023742209946379145936272987788797134124151367613898917288303630035232232268418819342021745648374746037480835807844646423787609755826419324349414387129775621423331686945128544211588471355315387363600440329317142236620314868693446615749338293437997078888218121944597526777072662374525719927842181084612253373700724339883378409384516769441790184222986546671045188095106254104249564247776507836710393609593
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 2,109-digit prime (159 intermediate primes).

Certified number2,109-digit prime
Certificatedownload
Certificate chainshow step 7 of 159

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009071032518 --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":1100000009071032518},"decimal":true,"detail":2}}'