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 #1100000008859756777 2,031 digits created 2026-06-10

Value

208906244520147581560276755073443322288479837550006926458231615028258428658663262506352944088185455417650453562476511146578776739648470145711779287179363728657520405408687013390532992234217383990828476320171887947982032300640739654171693329358209546616516013701952378391650894981972218245156589806171778578600836879321612306399097641156720164475755853696967874683290472661414350228309638064152394357809563243551051601978963540167522324232467806621397136667399693099149251956012061598522810878562048288977140668573430833217740009507972355950501276505984037297875432853744984764516191910883452461197759815028546621667854471300619037267890335247337427728865606651426074208263937714740892913460458475552328588282545847205778049886834415013041743127141562135448228682169180075219855877266966602406517359802976018016861496363427134685066769718616826407979167805243834889146851193058470414348321677369117338087057924954847003517134274556622494742497806391190178575656120632285734727700545394961110157466929900619389966694875046813490744015850034311453629870441880709472092684757468442608182272415198622420995923170416098049787995686176151797647621079698630061599131324640042037337665955272525626215616838987136778304976601154166097714899839488867202821497744835215032475826026455015139516752763327825019969901872571673343444593757435101661151601885739332550995122523794105397996270127646833312901785374297442545403351194870968999632711029343020609755656548991877676454345583520106990190371456584343257595050032334396173010912236889831255308448551303500333166389196436546595922328415866130876865034469265122676141652765983451688138815189211737078464294859224358990054547364143427014485264823694754859705986274604767179787039317616645539171799147251330602476445480315509204608251673311266524143883599926237013329723701972499866913267212798747935918258628186945839033106544100644742178771719792670625838815197857804282103181219869103274264844410211622738114337430789230154774040493423087565117749520938064935725493273900793435156247378279213
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 83 of the certificate chain of a 3,239-digit prime (226 intermediate primes).

Certified number3,239-digit prime
Certificatedownload
Certificate chainshow step 83 of 226

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008859756777 --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":1100000008859756777},"decimal":true,"detail":2}}'