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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 #1100000009023544789 1,090 digits created 2026-07-30

Value

1279787916110771575722294879807595171946541012259834097388852125544146701796092493696302968421900462266581073060770880627554246563177162397622271799964903206990911561749319851995956344227655756059479689345754042778998256850023619604719257771748425173968327329452602754277006375975157269720340348031121982019541017270182021576602086386069392334045473667370882720000863225533796058167445282467769691379258377662059527101303180142496169502129191486634116552329176357472690245315288503066814803732601820290025073034537333275724578030813726870962857859102478360354452911719668196519206526588446514716189874565341597126898976019686978240606465266290086845945424040421353836287852090837469984296317842190936378896214130507263523465083396454625281246898124705383773441676260207953154241722513852220792231787291993984393435911467537936086193226903404989400924088510006827450466194676370617356796893785024332668659996030181801013742788260668007892288106130362369877661287286876550061165685797849263593758928143264188442367747531415344377137228124711542745169562818409529046806063094103648346886841553
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 1,174-digit prime (103 intermediate primes).

Certified number1,174-digit prime
Certificatedownload
Certificate chainshow step 8 of 103

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023544789 --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":1100000009023544789},"decimal":true,"detail":2}}'