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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 #1100000004912872160 1,878 digits created 2023-10-25

Value

139474681013882603985437656750201947251524512242643057226212701026670693545351501771674950948630959322742672020184057393048034238173964530208966759766528853331309454337536984604507068720849807171633663086096414136899577487496786266256914724935192071764155080554596480485105098799982042155054922703577753604877812337791655202699993578279524047739726432034867536473297903202846296597314073457512482744120052407911691035395638325185138902468531852607107340121169505223128205575200481032085128305242026354239843326943168670672632244239177017951162606893463925255187946839663967627664045308994763122476365964408879914949240964702564439210342160863642723863101014968518651975591752624134879661842193468271836401271552214390260190153569903181407274863350274555709386983005352669992775221458972329230783722394147759561111394301556876278109836922188587905569392872174273072750641798219590883020517485743865217443308122842998700012467433734399116586794880270046296876776692973685531420048445419394610619377854583558921278316153071329191035950657169865987727240060752541155321526289897457961552215004437925676239775971905079505683995598802279357116811369401067408503399071854340491235518020529378960803435794291744909437184283255665339504365740141412088905865860238529852346347708435377273576106668397704991674526291466082774660484294679390921598285866096974071262507045548597428203479133545812283448379857660754476807796545962562476810363400222000393491698794037069500190138818393620294644033450397252761416962616111449576056883376098099608147892888090979684340977153568164269863263844875794134402106678086634415860692039207710297283032107064201785356645537482406357319506497161277051797716884774441788037354246393713767987936442727768456020699475752247071367369005062941197052445811455700292732706862658090076004703376504643647450232633690810752708191565872296516518686855793880315221409
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 18 of the certificate chain of a 2,000-digit prime (266 intermediate primes).

Certified number2,000-digit prime
Certificatedownload
Certificate chainshow step 18 of 266

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004912872160 --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":1100000004912872160},"decimal":true,"detail":2}}'