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 #1100000009079855320 336 digits created 2026-08-12

Value

108574234222801958493597216997734996729073659388303770722063831431695616212557842315338838412899215303165426281315395232136761900191996926346202991511428852588479012205190442126893548298950664302831708109041101545769813668187965985496740038843271557578704753292327319904087327613731022107128924485547390335204862127417506136098708688681
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 128 of the certificate chain of a 1,857-digit prime (150 intermediate primes).

Certified number1,857-digit prime
Certificatedownload
Certificate chainshow step 128 of 150

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079855320 --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":1100000009079855320},"decimal":true,"detail":2}}'