Predictive Hacks

Is Prime in R

An R function to check is the number is a prime or not.

is_prime <- function(num) {
   if (num == 2) {
      TRUE
   } else if (any(num %% 2:(num-1) == 0)) {
      FALSE
   } else { 
      TRUE
   }
}

is_prime(997)
[1] TRUE

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