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 #1100000009073531939 670 digits created 2026-08-11

Value

1403890359374787873796910892691357934622071667722670969507721831792861043283245984563632880986122525124572200029032632728478603301265953730639582069096906207961403726093493947183649173527140050246177472979611282381639111227235882520388885896528613800044400682808551512687702788366408190587215633926141344578643537190530053557667340448715880451453303030612792431958346233526158585693781731048346621295708013352738310154256723743654746375100317512259738466483036017542691464818867809447350161337087017508047589491953793862221198083599019305947444370839241285299007483515070991922640458806996622773295180472098140939125081323770718716918893133544608497062759278481867606241
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 101 of the certificate chain of a 2,008-digit prime (149 intermediate primes).

Certified number2,008-digit prime
Certificatedownload
Certificate chainshow step 101 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009073531939 --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":1100000009073531939},"decimal":true,"detail":2}}'