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.

PRP · Probable prime
not in database 128 digits

Value

3626341211…61<128>
Is factor of

Primality

This is a probable prime: it passes probabilistic tests but is not yet proven.

Numbers below 300 digits are proved directly by the background prover - this one will be marked proven prime automatically, usually within moments. Reload to check.

From the command linefdb · curl
fdb
fdb number '36263412111819151722685948837438200704900894579114709660274121612227493057125481082428030691341371586880787858679374512433280561' --detail 2
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"expr":"36263412111819151722685948837438200704900894579114709660274121612227493057125481082428030691341371586880787858679374512433280561"},"decimal":false,"detail":2}}'