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 #1100000004939279568 901 digits created 2023-10-25

Value

2560628223630040028401170225099011850624271958353735052883533207183300842149277162758288879531117113796403823316297756266325780195907439158393803771440950589116455105010122882238041264053509573246703894193605106683271646740495757045534488811514758889243211082585020488497898702566363950107808089820914569160665824776788781070636480623102442715912168747930464262363576134222217758818384162196110929348906428439494739126732006188951117263196634510856543382475792072562030808820003546869365883225311388754734654661303458146122882383153070298958839930804940983898445367939131508031411596670534756102286261877774682390129201071405866052137143353474379274946561223209153454682669829892672280286420348302758659537885574574010221074489707162710717306484992289916245118490987895063300499091656923207596916226600954631355918776391608362317663279886016763832542757848307658117827887386124080451615988545919161561
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 86 of the certificate chain of a 1,663-digit prime (193 intermediate primes).

Certified number1,663-digit prime
Certificatedownload
Certificate chainshow step 86 of 193

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004939279568 --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":1100000004939279568},"decimal":true,"detail":2}}'