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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 #1100000004912872706 1,663 digits created 2023-10-25

Value

1289285349347455467616794776759792440750056943137711959973898367473010500926167922347083031262586066618745789906671767183031616639137822944090996009872749107148448327024820664938931228011960721499153691135137200095419593551422207663784065790857840862066382585402527650477526688112841198643790789137410126874585731211891479536735728204373389579897491199857786972700261177182949293704557484037145456822015388286993424117232318251104533268453717647056840867697798175847272818231739594375036857339643253015666406357582335723023319294895006568819699950958053860636789011867666558449056017992700821729775861735930265252404604086321109489819710247746033046188734183110592260965214270331925662427014396555862980592356087037917798229790878456671511474458681839573606832118684552157711855333825355695659191023467235893200894343605714840989110228671713765649674242379521894305412543818745686085441322731823936913581811997633484960271205511290520497154442031278738376260648763643667324132143237516939044255388533890560778034780660699383713134008539023548918127246811421193161093264122316264789896255560116465007624279522970664042585456799653935966178310031350291885964411033661079205424562623022883530317577844971246468069812734068710176861709401053882060914131160962030001880596552658721129496487954628253870595559892753029692122170006435290933073702567263310812307992103963203337750630348878204915600821561439116873837800904713772651222445211717168893669104146675677174896245797517423777863696043419523713725727995871431037363856065145495258824415321153211261547592576241922181063219597641854430647167161128915950770113191839533455088410395294227239644484240832154807545759
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 42 of the certificate chain of a 2,000-digit prime (266 intermediate primes).

Certified number2,000-digit prime
Certificatedownload
Certificate chainshow step 42 of 266

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004912872706 --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":1100000004912872706},"decimal":true,"detail":2}}'