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 #1100000008718455286 708 digits created 2026-04-01

Value

214209112579620270519857279755484750508584920067547922129401790970943242412451773485566343164621962981317657824535108859003310918338740615382367032695479434521891149307386829139654080895797470727617479826699915128828920807189575049102097268040728995290784388741932723352878389193262513331622379469036528307381584260799957279981103741189144921634493157063532355166174989952079432114766423636161282626423465275818135306441897639253012467235208502901668628476835730189401655373138386850626976729556007809045475430984753187445886027715799346708398082963147390373735274091024049971911444083299242670601516202797454220895444123052782356895665162031264314970862035773659737514883719289841808187789850114090381639617
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 38 of the certificate chain of a 1,123-digit prime (96 intermediate primes).

Certified number1,123-digit prime
Certificatedownload
Certificate chainshow step 38 of 96

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008718455286 --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":1100000008718455286},"decimal":true,"detail":2}}'