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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 #1100000009073531841 1,160 digits created 2026-08-11

Value

36728682354952834461355146369847688574141924314566667903329932132254496660181371607644992743222132150419089040385700952596843994069616599704923163143297550041302193128222382921044445952704506189547926687978841264877615772818399865676092593223594425101164229364428829679082275631286152634642198635124977513355589563580961410426552394622425774049039871460775419837144935741548354161199816363982164543071381722846732717510399737837778678992254757073900407865273272793748080564780252881687791271886332011791561567046749814327458381032245245443136220441115129179716411331235217584147032569317150267737782640299237858993667464326564776694002737858394965127398044790390403087312111593044537493383370074606121044828898822977698197077082975693296288597051626939420512964952604511043299122248754127904030226673367935474309085918309805707702948067055979646744809616222844342476240721181373792753627793023135530955595660900467132103962819131205566730575334887516398658560061713783579661590702068031328298892001294771125588888128165147884154234767957418888877282640257209754054862482944778354426745101596320130077915298698060263238294364484341810876707542965271078367569361
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 2,008-digit prime (149 intermediate primes).

Certified number2,008-digit prime
Certificatedownload
Certificate chainshow step 68 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009073531841 --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":1100000009073531841},"decimal":true,"detail":2}}'