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 #1100000008810796928 680 digits created 2026-05-17

Value

81570937568954146496711019044274149709603511567817701524588548248644376721547925108588831487163482552823512954141380461397225601335239433987793583414830676910975408445928022778800731319725525513719757645113232701234090217171683967705475354278485973318673026113164841052064806186790898087523798187324652170906218577586047674320118666056235566619638328904018712423912311830149217368973100723394982716043736381353309345407711023308449541040306800398440512069592292249198490771597097227243328264853891997096585203909807241756874241774162009578592577657345778321200378965880195658640676135569599000332973407401939410115474522219839726747131805715831568189492093790932400770402319011101
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 88 of the certificate chain of a 1,703-digit prime (135 intermediate primes).

Certified number1,703-digit prime
Certificatedownload
Certificate chainshow step 88 of 135

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008810796928 --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":1100000008810796928},"decimal":true,"detail":2}}'