25 - 100 sixes

void setup()
{
  Serial.begin(9600);
}

long randNum;
int count = 1;
int sixCount = 0;

void loop()
{
  while (sixCount < 100)
  {
    randNum = random(1, 7);

    if (randNum == 6)
    {
      sixCount ++;
    }
    count++;
  }
 
  Serial.print("It took ");
  Serial.print(count); 
  Serial.print(" throws of the dice to reach 100 6's \n");
  delay(2000);
  count = 0;
  sixCount = 0;
}