class Checkprime
Public Class Methods
runcheck(isPrime)
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# File lib/isprime.rb, line 2 def self.runcheck(isPrime) if isPrime <= 2 ans = "Not Prime" elsif (isPrime > 2 && (isPrime % 2) == 0) ans = "Not Prime" else loopnum = Math.sqrt(isPrime).ceil for i in 3..loopnum if ((isPrime % i) == 0) ans = "Not Prime" break else ans = "Prime numbers are fun!!" end end end return ans end