I am a number between 60 and 100. My ones digit is four less than my tens digit. I am a prime number. Part 1 out of 2What number does Winnie's riddle describe? Complete the explanation. Winnie's riddle describes the number . The digit in the tens place must be 6, 7, 8, or 9, so the number must be ?, ?, ?, or ?. The only prime number is because it has exactly two factors