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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 #1100000004877736084 2,102 digits created 2023-10-25

Value

28549073232784408407548533707381362035843098224921997321416456797833429153903896160318507967486201484658175395791455716861953513646477159671654238960503463773582653848256691031433331232292020889368634873999170396113324026655833254323439462188644484732485594452171690165288788136759920893746911563585653752574691984561686773830070751602736194405672354013671688519023506705878613045733683952972376715953171721212909053659954898634868959758197163191402771386869834376920589881554825852825482354312261783861112533846644709529942033182940559349763353439671381379570215490584699710959047413265034528352160874153458160160068488264592956706629687610297607173988575370571172564497252757556189935531704081175642792133382664566791485489672423924542599143243214949688905625654467256519735186475192770602889607461495979317572747976187355745599947833428408622782306414669030388262676027018170631694914079881842548372634283793424048791338288906756347162821310882878438448793765328226657161519670784055527011241948011870216033582676176450704541002332986870905206906104440622638507874237412575451305918331967557163984816766508512458356831646783244074729750522049126554816056393642312527287257932032720714394121104048793985828496852978626528192140498288136060404587589428053089517098932782832698805916279551110161451103610731182732981082584570596368701182112081421887852970392229228607597381611879464989503111282015476262698818172127731182423123446547085391388740444860586213916099236054721802886637420851219710097037336214175216648932853172691210323600000397522366982263801949184203567190313069000354469610949823107917120462370005736145548658601367134663230165636889825439728812944604536100554687951594935948468805117045808739881137044918334140852394623326935872095820960490324637319025960191803079375583115095157037565929933884957510962128058734816207070257447100126464898672055754300751670752435326586466739285089110692471577239967730293390454955864299842383113301499705146187498099317891507787236082753929961432102527897969229137737857650237755213280816656554765273847659326007243832028125784988512417061392542699297
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 47 of the certificate chain of a 2,441-digit prime (350 intermediate primes).

Certified number2,441-digit prime
Certificatedownload
Certificate chainshow step 47 of 350

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004877736084 --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":1100000004877736084},"decimal":true,"detail":2}}'