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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 #1100000009126644090 2,502 digits created 2026-09-01

Value

181548698726462013199622816851023817952990653617365253676776706556919649897955816897556444264509208474163832337890559851182081093593345889184075066223484747786736565368991170957518284237774859380192498431266914848824749818514689669113819273447009025511021321497280188928015573770460548556861498969272407883790742320674805041339754270753057945157432225172611533348838070180364682961908175571626539879388498087946603717472827603686089417063537931043123673904612639438996247085914359982721021683761141134124468298840441319561540282018324980251172067301000426198726392415182280948090769603711977456552234071056654574106473013187236125110805195230301226647894436035116115536928684875306985654231494097759144713340636218486594688331228043129244843344646967759358826048031814883831683379170790557479773130304296247961218068969849833960963354473415552191930578554206990880584629989614586783666398651035374981628709741832962047244600299016733055641340693790789015635415662047983533990936884576971466253989666748052886773194090253343756584022497184467537128538224849193970252933615472466342183163844799241449119509733014108663135354775744177879271265930965873023076564872595824020678227853525721209959014262772967695232101295526719636017867637888952212836597142096395844670130768048869842757830851183618444846983369502465357011201383428942618999439143244278244136084257298657786428590784463535469687693856322499077441303366287089718033876303482718463299482263760484555083953976217006087189501001012827123859904734845704584813896109930733058664162955992052012586678780299078467355531374558186293830947827899445197910173917768452546576768342022911912062382482851327890900923500702030208641648395388245887442388361360194763850152345956564089836302274031631986362097974655928369665135335071899908372742656895076442520143162799063036907182443251188272660775292967582999212896001188964487838453329086984096554680671315863535765694965383895288310401212529715655276451269239509391498089351771690640223332928356863180507949346660612361955166841890603916657056158269526033694797134528540703541850896395263295136464350469327148044028736371962336089694343119116856923929032244905792572289484476296883638518071516326506372013998844329829213431820309939213973958223343235386170749506455598892717836421449274036743918234050393422074634370178784954238175034982905105221296922467329565628190191416221769282882467083163944359738473147812096305781032511329149990765521546528038793258612822055316141679074111644914211321210534234077
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 61 of the certificate chain of a 3,110-digit prime (313 intermediate primes).

Certified number3,110-digit prime
Certificatedownload
Certificate chainshow step 61 of 313

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009126644090 --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":1100000009126644090},"decimal":true,"detail":2}}'