factordbrpc · fdb
Sign in
>
?

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 #1100000008787409573 1,937 digits created 2026-05-03

Value

16628878122276857833845942223951972800507713977640951711342849227032809790126644170052030625919325255558319709197396139099111119653402907260991114916957728575817965868435444109072883104526164424168918376629951452311365954189345227449166018418196997933120221964912663166804493471675800250303981033146612552446634280235616944407437197225662534525681303489054400803621927574844893749519152801213857553152864148319626137429473693858272437186929429537952618111353164161999746763429096829842538850029153071473784779195811501380767925436846031337419336026495631392686051172876787876617853930842170920747080127826858297758978008137463294611134995792139041310557504498676514671627623638717867143564843240706035734227655787220019832628926543439754899221336613604300646218118198621227498006994658961437011383298464335397264058811883439189049644047533653411556255069484205155346060808185970647968872721847693368677549614140250202222777820247847403780042428973132662385838672942951390640576030557063440182013954851307646451167873312365260207468099539004345538996643623208806580927149564360377637930548149975759144698545089774488869262979165818783546173835635129221664410942290825385434670744187355202213713984054456553395799825780794832525075305786047712492036082758501035343759500885431423075111199210691557334000800154141937089915127653817788846638730244430987997858850980203710939954864518678008156324753534054290649056735378165880530134231609020996474955662631255415238630200716249743761829581635379577260697875215952934907150154247055096525487769090222433702749057563907704554048792187179503662395136601452730243712924736775837015066468197801863071544985863796263925338436928919321848234282964286881128112247321980840364620302969614001209033625870501022327402257247554891774881901756854465222748177265586296641503606964827985243462518718335841101522950821945290881993972863624691196501269296798086154847727938014015770965342275316012396258382443
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 84 of the certificate chain of a 3,261-digit prime (192 intermediate primes).

Certified number3,261-digit prime
Certificatedownload
Certificate chainshow step 84 of 192

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008787409573 --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":1100000008787409573},"decimal":true,"detail":2}}'