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 #1100000009048783580 888 digits created 2026-08-05

Value

503212794392994349759552842147395461934508870351091290961134350387487160670243239200526288320069085575489747099010441420255970623255863154989004039694092838224689896200347661734560369887262693137309197024114004510014897750123375736341473196839094906860449617349265773408412969120182257479673017094346981543006166375913117205994862720724509431743662743767203375535851758830207643037192308597396160288026394276324942691308594437453121653750749344125596897232459614823568922721923408096658370146840463296830461405267011483185550912588519486873835884695708439296357281923647737438831615137025223145452544350648810907333852377483844669127885690057321179058829722314213781698051682143087765700147529015428531714936168859105531147795390421929391725005673076878128077438192162556659574465437834611942400667290178908545971514677059304441776289916365470871997469373833035953027218218420645159646719
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 1,503-digit prime (115 intermediate primes).

Certified number1,503-digit prime
Certificatedownload
Certificate chainshow step 53 of 115

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048783580 --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":1100000009048783580},"decimal":true,"detail":2}}'