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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 #1100000004878115891 1,748 digits created 2023-10-25

Value

26844676967357319664974338741961849920265321921116892224271952112674575536412768566508368255041138846750047544056781221352810694667943486992010062407515704399701353058149510221724619161404585393688513410702360006379296989321581950528185900584729309993925741210210247078021088425756538011498213128913654816913231280665556366041933001308540011638319064875449862859766560576489899987491438522386374314297285598216176613698740002350341222257041442699671330679090613169158423661791173487605641642320222868943385089320602946038032906206525586394128036343433926741626989472685041409844518961657182521478613821827644669461266879593897041321591601694696373974441439852761539929438026792204918199899844896820878852927846379563286344612996388802198143086634065827500296586199777383195985208941662525297917351321666554452443167010397314197591758077404709839376906195420000490641375513784442404033234884241278564133500944981609406407682950705565059720017910362218861942610009860426643418350369017057541765221614653147327643072662979107403284079845226239965712746479157265399302855153327008334674690759243687148260997686210219606437537204852822365088799801626311707212216254520218072012999655988811346989511023893182198800739964083401166297159081266745908768688079391843175206693925076118885281547250087205420090400048757242050736110054801463322214102945592534033582946091310894822900736845221369398029468885352213752821901636938474621398141738756839457887792071797603326961325155933199218206082682896460172227155643154098330842562109085308220524930728907858863168109142067745482969819508002968176956746981394501949845945781915044737122454663222613075548292792127325949111495481668672020691594295160700677839547165326556981235534965665633603115452134904929373149
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 93 of the certificate chain of a 2,429-digit prime (346 intermediate primes).

Certified number2,429-digit prime
Certificatedownload
Certificate chainshow step 93 of 346

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004878115891 --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":1100000004878115891},"decimal":true,"detail":2}}'