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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 #1100000009053482052 1,296 digits created 2026-08-07

Value

218321402604795261398847418424519553953724218223914270222422206149310297467062582600877913744338748376291931566262245358812066300546937033381096218348386330031387503615864485913364638591243805519207576403788779546312236438686732372904748264043978315923557041019835934499764920167475830315084905799546908113209107553925439479727696529636023552784356298607086509603698869183749527933364691932764327180518726258598192969044603122006198955793706263420656674096885860930833245967233719081655975033629275561298018757012055299080920283555018938720254378387648925647844738805062237359313742575382815387840658071195825915021047034312821955324176289882754109116403109021219245578281450616343195134855933715424863077031845286083866625625607431559431309165382197632195614821475910054862768956194740386824749746538466218237239233909074807067608466557905674239084731104613017411866444011097906520783339394690600508044072543446965732723508769239299768002724401312077450648602522097349266271439304313974526590371551098915980571463610932926531709082670073676183831571149558000536726647426044096228513604082761958078899349711669161574002926212587785877034830428009442628974759597112342173809497071493481485565510569383792555143903495047340638076808845837259724485562051986316446262245463400426948117839038604066899
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 82 of the certificate chain of a 2,301-digit prime (179 intermediate primes).

Certified number2,301-digit prime
Certificatedownload
Certificate chainshow step 82 of 179

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053482052 --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":1100000009053482052},"decimal":true,"detail":2}}'