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 #1100000009078199840 1,379 digits created 2026-08-12

Value

26875267631167473904089878246644143465256595677179160521913809369706569759356092350819294805802607570583100926091537506594179591790262638237121880909437614894323265834447723480397649235416369174667303471569774023284758128453508491888035913072871104717513039539349037756309384204466362280104471858835905097076710034267587478376803418524792995084363336754731539771329717683376117304622240162556461893071963397923076687320462387797189059258908601328618291035036941116303812783079225797354317109400294415387534553424140453693115913759826614345035035907584649820262889505565855385183917847133396506553720518506195032509559675926714084630203494749013799086163531613131015363858814475624617833481427434718971269153674471204780897374916363475881713673943020518940222843116858382624841919442406933007494210100433666924162557654071154965007161530012687308689661499169806729182631744095687453278850862230028300452747212521502036112139697976991142049628854994533123075336284176700695523411741738497640890979799356861872186464665344036749147502769567251651169302298135915334508803926030005458658741558478915593026817749492506568910258022143850571984174242422782664348123821788007313465761083092261853515526081657118258750393316768492009556862484961302997685227538619559646293531062344434065752992423601693898923735380145278351354443290882409237973154689002415142910547505558754571630191982047
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 57 of the certificate chain of a 2,146-digit prime (165 intermediate primes).

Certified number2,146-digit prime
Certificatedownload
Certificate chainshow step 57 of 165

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078199840 --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":1100000009078199840},"decimal":true,"detail":2}}'