(n - 1)! + 1 is divisible by n if n is prime or 1
EDIT: therefore floor ( cos pi ((n-1)!+1)/n )² is a boolean prime detector :3
Nov 3, 2022, 9:08 PM
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(n - 1)! + 1 is divisible by n if n is prime or 1
EDIT: therefore floor ( cos pi ((n-1)!+1)/n )² is a boolean prime detector :3