factordbrpc · fdb
Sign in
>
?

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 #1100000009008090218 2,294 digits created 2026-07-27

Value

19661686343263446755626743241237427979407954594298541313274299654412696189079751717328007313733617591364885631676647233905917766888583514297384674542670402479041012332903518494762597905386639031171314128173284423484914933744033415937173598218645304186673868887420138597198315718702167015813834701739842678092502001548664950426939125005402062573622862108324213199495724463007120733564058271438952058097266631674586111036218648537463887517876851409479450674776531211619726559623544205997197770320894013993833698884503285672421353399867513480914883732250049648205832721414624927419311073713884426011195324906130861435679990554389140391680210937660108007113492694311642102446826843645064136448972161109507305733541249596178171475710890558954657087033583641191535330869417330366753028462499846876194135918952662675306482349091347365771517176604943564145043734417181633739229241800531752181065795150045669554125836138461694472274309314498661654831904729321130304688306008472982402764829325448374019206972280509651475538496155441710803696870987600776256019471470878599659581732586235282190646038183571843626378690611194499284470964180703136176081386188959635163188843787371663145342737095435405333286583896192666306803568126899468125600668486492270103446840413669293426804648346833988195472913891344647616990063086396604627592756553180496838231275560263905478563816053235117675428133032745166981835447098924740532080727513913559305622825566068807080871280432896513133236184907356291617620322893009078280282749289979139703228337837467277550262868938669725372128497159043406291005066748838867654161604215411090799253671467854946263985554245408153106592157462200038774532579605899580127390809816774084454646685366267172950633255666187230244169006652722632115615063441394168817212946340707609073432747572292881311978409288204968105138002726846756009567129991907292326093306142966354818916695842861028192755148804690572178722050225806298869878156787008132106537483850807129537730193326839392360177787447412339608033066090908696501844451171597136389846523141808876824986823957265312399879701094800434290197859393030210619592354758909709166549835506218139213920148302791491112023981097924624316808512573936346186862397638421143856297119926005879632427634494811762086643853602443845923021496788121417662838271
term 8717^582+582
Permalink
Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,294 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byA.C.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009008090218 --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":1100000009008090218},"decimal":true,"detail":2}}'