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 #1100000000905177312 1,091 digits created before Nov 2018

Value

19690190151882060672820282695012154479069788957769326044629590007111017226726903232585195132668431886555594582707852891573888210269325060621747978129374673257379710219142235730631533610973226223870196803419699293552200142264914211743535315290157932421127240289910607357713475978858010115644880225252240103875887316702195528669294772642075193850675011299280166554088518092754648294332873774666567245778812677431745817587487999037066520504122010469522180186117496376475853026655232988585606390668720667882356076934363093083082590403159354526076709540552655119660376674386656905738925759967923226721010719356650606689341636189630158862446702376031216380265179338603158764013787237098627476413835975756776634904314944353636518132839617481732412716790385232268887132910050292428590422805392212616776320983294284780500071467676617219369761576051810007421568339238182475306647145911600567318303967420510111775173398958126505565683523010002254580683555776980763199887712988070421287786015746765007112015298691941885256635188884187659666493343573616927617309452898764964752161660171757033216065988853
term (17^887-4^887)/13
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (1,091 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byRay Chandler

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000000905177312 --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":1100000000905177312},"decimal":true,"detail":2}}'