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 #1100000009078966655 502 digits created 2026-08-12

Value

1895310394956269648017652180520795265700387143782284499979800933329408329879611259459705268307584749825578333586287838578504365898677001664070879546561626907096559577111428380461597591446364566477296472441033960260910718695961904288031630281262859489336836193190170293123467290832181209120535119283003867608285397125946658079937089698013854288693280364788054922904902587796569674784691945609758053741693751469323378276472752683930349695054519157611116308567221647535434547558019540890293819028150614553
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 116 of the certificate chain of a 2,038-digit prime (151 intermediate primes).

Certified number2,038-digit prime
Certificatedownload
Certificate chainshow step 116 of 151

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078966655 --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":1100000009078966655},"decimal":true,"detail":2}}'