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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 #1100000000781615107 1,906 digits created before Nov 2018

Value

4380737920995884653584293759261482174614271765705788467379949158751513601309921621334346911545219227232568003415495926929110752613021063677711706389612620099349215637820606498729060935271602515763278150390535647692718036940024805871884528353219741025298405119108049748646896396873546961641274946895182186099706863626748517346341589253511367777946084976449671601446631438670740236008908661107322359693688894799473117505414766273461366708574778612589206904183575743415724624615464347508436918381798565821474218272241356631721824962582101413082956343782977265638650433592016777333043971928952317067214550274754265307775459893240459674247543614885378112576526035028097996245287299830690239529078181166142735906926089830949156327995340036721238297311392923515907380233969102817716796252894160716309085175124884070405226481523075853215502585992375565766449601671641783499071533225855147226922628183852876995653912289234727094458853199795033600252917630640093012803331130241677570047324207920125362871404551170960284913004550972648149927273791416848802039487316343245257644754764004068444478901164139024966259410943048574698687697094983160102183030802708146014479092494668918508082094454107422925501225240971311097391808607069226104850997348328836176261305911169248008278256187941254046262188922733714100640051367804465198949866979948631896840309140892849812349123056076057723498401906823068503587824518812753255015251199951894357109650574537554793489473481362119512748942486695427946450796833443433055588977337532832219104867019603282752790843769957797783159713263715025101382748937576267704274144403554529867290065399943634284103552374703858591525459704818673704138028574211041227165779130760267733565370731572698597009125290283403270572724692087002275065953843101735625701494410296803805565123900282340276814986867879601449565017075671183864035047047800580508689989713685612232569696924797586932235457734933771
term (930^643+929^643)/1859
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (1,906 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byRobertS

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000000781615107 --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":1100000000781615107},"decimal":true,"detail":2}}'