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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 #1100000009048440062 1,134 digits created 2026-08-05

Value

478251944167501285430958260939898498573781665220861112515062159701323182764335452948354131682144404826997914797847556489167777999526310158946837156823543523728707960373373510237325136698435207652692985525719862462165282240852350524611482414879828084292865491587453412470629625853419399193179281902909276070215867032448551968036784405955258684771845205307852517943492400279374638849846292975247883927487633351947119958983316516442124336255132239305011107797161491966964076885895237127475927451087284978708069427662332705652064735438905434743555903314240109333040728318649224126199946849197446734716001647003263984830332320801661015196836472864520300130119146524753163157314916589818581210605401963674477365836030694803316099104015259036999291557314360555686596020416745673814411823033381770559917633089507629467248037724967830897297741251179565088964877257657917313252446173055831013527455503973480347551847088246740204584910507303308831285858607861185914586726628985879317500722152596255821065786698706153484802294267657417597406432182549242976796007040878241578698359270368479340279042884501291648099603133142679569752273958293755997
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 35 of the certificate chain of a 1,491-digit prime (125 intermediate primes).

Certified number1,491-digit prime
Certificatedownload
Certificate chainshow step 35 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048440062 --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":1100000009048440062},"decimal":true,"detail":2}}'