Driver Code
public static void Main ( String [ ] args ) { int n = 12 ; int minimal = ( int ) MinimumPrimes ( n ) ; if ( minimal != - 1 ) Console . WriteLine ( " Minimum ▁ number ▁ of ▁ single ▁ " + " digit ▁ primes ▁ required : ▁ " + minimal ) ; else Console . WriteLine ( " Not ▁ Possible " ) ; } }