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 #1100000009126643989 2,638 digits created 2026-09-01

Value

1212559005564403180195155234459079519361253460151704553714134724623908620001114726741467335134990141399860873955699838084061478115329594803171021393141377640464058465334994675590977290539124354236819221175628050480034832676677448970129404329069220839715951868679077095724109347673558711352827097114750818220034921490248265007603998567870378410999168647809424080290053287131227480205595884933961345797779973541981694849462312409940676660562008892312788769312050448965304650526523965965699525893884993986957944115999972591223557216656265979426682532963852778724142577882420354753167206794844908423032257021155522857414731572055067536065967445951296174898880243837072099028251185256773867112439847209190236784175528888478219255689896777590987462292020102031854839848261691805733040213397592170349733400561488042047800142498551097788526982892128400024459913360635470054721231466234089358414103006637792536838902461865311956439536165864413167625843767065827891272053473486722032166483732883347276756512816948470174803713001566178884672024202838603738084967138021524731286437613060923711098805976430785970255743686431445782249521388125171892040990903231754563529917306813237632273096888111970798580416356687806828280358493834959058210517426522064823408280495783781935549113174490972930932744507410668772726487124533254955749748541880949252105742660823149839588382630994087482057321542134947335109760605959815055657769106978824669853284413320420586063457752240739369195719761311415535548967503781325214833627330185477546084592339269086764602592777653392263020622989048227564819463036218973046798199532649121272471285269029898066744939945028012348083615632362036662128435743188275179856168910891605459955751837225739365168241357018687922597054272388634804299655279479463663806237149125761378880956064571318328732904429626354533902976151638718944562759666846690356274075944098510890690012017214840814834166821057030169024830973866485957901908337237371411701577521072272671872591580165200579051421553345919354789036137854669303959121535521918887769315344057729123274784370034741221410983758370482634691034828705178656587246124527949471318405676089190661002365016203312811397324848709284622162393019536083119323613582623802370258451856061242751425966035126392193811494415456356633999490750707997722567570281778104383215362070870147569115044806553091002934179281770357447331537386247888527547307934463190852059445127452219568955948902252112875965095558650559773867454987878715247953581005416263805672679828530144878077862948548948254215109418635355378897407480370937722257372484224074752317839857601439665602064995882930809459196371447372078187544599
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 47 of the certificate chain of a 3,110-digit prime (313 intermediate primes).

Certified number3,110-digit prime
Certificatedownload
Certificate chainshow step 47 of 313

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009126643989 --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":1100000009126643989},"decimal":true,"detail":2}}'