factordbrpc · fdb
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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 #1100000009080279580 1,361 digits created 2026-08-13

Value

87842465840286336135097120683417524059827574166288367947503029465749463922776760985098667034708962916010284736269310178076720588352905655748065793120122964193149221250240716274804948112619328817940134306850448721563366738117249740554554164315808776851660078360729915734085450592594368574991839994723846693315376065236698395692186206478819238806062249467030017986452299307751155086005189118419740907124421155382991779808646793709192617367693105264021447896721958038962949592028257110420637192382924679908347021035617828859403922170809875934489942150804540821197636973826400520761767577795998155884544542203115764337813147476962447814880660465055530684181759349916412780329256258722526416140406473746096662713869770928535043460087608002112695398628996681594847554280214348267835858885636074922209009946875183570231977773451368381881455891476817024242170869587208439842836880416277194376389869451247991545732121662833915268057125912895915879388341650856694346470656098412130671192081460746437763641861090373687260294097454065257440305352708169885044558209249204778674172040549952147583429253523458218299377371404813858656842119363056114594125993520467727218142031696926624800482552782070035719218353484389772250537383095394096537338391482565765348377908184939920583862012272370712627413853500810594982474547767354225050919665710627626484878030489248800539293596793
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 42 of the certificate chain of a 1,868-digit prime (143 intermediate primes).

Certified number1,868-digit prime
Certificatedownload
Certificate chainshow step 42 of 143

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080279580 --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":1100000009080279580},"decimal":true,"detail":2}}'