The number of prime numbers 1 to 20 is
- The number of prime numbers between 1 to 20 is
- The count of prime numbers between 1 to 20 is
- The sum of prime numbers from 1 to 20 is
- The average of prime numbers between 1 to 20 is
- What is the percentage of the number of prime numbers from 1 to 20
- The probability of obtaining a prime number from the numbers 1 to 20 is
- Which of the following numbers are prime
- The prime number theorem
- A prime number