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 #1100000009075030871 1,977 digits created 2026-08-11

Value

221480753184842891014476964431730843603223469193429254719062314152903855510697561546443224755698295068666238536470730806561164833869202727115249009378552232781956755582822793414250823713385026927050711225737592843842077006377702224835644623920944627890983845190390062857379055068736209974042661861301543196141204901364983050904235627363427376261641342828915478475832215521031506237432447647892419576196486218222627397961234741595932888742876617586366922845514289220541450478418066540908033809866424876717281369431715267001926392674695467037014130758455715230726991053076084782878240229628505378557643442087696360978564817070385629411201518712830515837716134923821667069618812055671656726414428575946761189936947739090036054906882390888294083702320556593676894372151021272754776402895527734684076721055967052767458222170896712250453467436182792728563033078331245523420302532962695485623606191778040162786446504176210757037070028303758467906539108763871266306424933122153297804664401432445097152166578230914273732197210717589727882566420654706320415345208735339005673333751230957857025524072062814655608845711913356631395521380478179967994690709770242585069807084432867718737374777819134503113862182897866093585976257677145377793486437468239655851006811688912149447097710175076876129872955794500344069628345064911361488487516252251797176883682350617779158215060553318047338802410531115065147472273043291394340525666284598086099821530297555167823230972855597478240108692028848944763305070459449569893168299559697255456498710461120251229760314011791753276473237423994496927627141263368650606375429921807323679528769696470253444832673299877086920896607221486754269942291627404158958634759275107015125224406608952244296164322865937723339694997374552341855758796822144352203017462461046002316279519461638802909953658000041775026624805155135472079635304481108113574199164153227840295078612640022661389001902280218349016950404300500448261192431847584362117646422815304162476819596493257
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 2,940-digit prime (205 intermediate primes).

Certified number2,940-digit prime
Certificatedownload
Certificate chainshow step 72 of 205

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075030871 --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":1100000009075030871},"decimal":true,"detail":2}}'