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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 #1100000004893104149 2,159 digits created 2023-10-25

Value

13870047073669093335793632542171848544475707240751134995955414414649893319249566424971951651788827672997466886748199912531258482369974601425693499037371248448856730307651180255245487511350573560453436917903367626162855654094171280911206117854904025318383323431604340701552658027275251292647771002541960571375614103269460182087468888824421334142567483850040425635583122509393793582399607510192386618661662807632108564941402905599300702761690618842457465242114302362527853420909620367469345006124406686842753607707226779348273218111577205925626631959266016095276061573798317736220148130563611469175538529531283829769619931207566279870211747294593710630627591797575240660043705725244420520539757673254808599763998059712397301714335964289540156343749781901616291940633473479492894413622104941722811873394462118301045034352506190866355284675226480291237330472074080318453213527546653922833444039088047427850670674668605750569343223771154850818610344359368681103197983750710394041120227005044672162433564211069977411026414994900392522884372083581132845863061627603697153056340906332279763764104023262708109728203325969334673525447186726588165305431315827649241007906060665099206828417048498485074236752089916168649404843246765809638580442257323046272316312908650809859993784429905980431180653270183197367472788510426959053032620053201032400574876902304521249175748773370383023099666703029730067866221702036826825523474513845108768881743330155475762134444835916978234857962980140376507822543044078878250009248038176802116456937571528339437625444996740408362609989302578485078968877570193908749443525377135462048640558793094457165665177189137823107838805364071560120914294722252234769526622141265081454817135483433265345210945154601614832603259735287210342391520354610400448964388490254112896661328806059210967400055633517815249784966134264591984736811154240430653933693851001262590661059449641836637963664079307586331987998170626932629115214830244143501852251210694214376726810041703833063139342918043411130264050240314182416892286581220592440738114053069973230579342526355412327563405116056431916758956165242453394157501592065325516158115587013987613255969349387491
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 5 of the certificate chain of a 2,192-digit prime (248 intermediate primes).

Certified number2,192-digit prime
Certificatedownload
Certificate chainshow step 5 of 248

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004893104149 --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":1100000004893104149},"decimal":true,"detail":2}}'