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What prime numbers are between 20 and 28?

23 is the only prime number between 20 and 28.


What are the prime numbers between 20-29?

23 is the only prime number between 20 and 29.


What prime number is between 20 and 25?

The only prime n umber between 20 and 25 is 23.


What are the prime numbers from 1 to 20?

The prime numbers between 1 and 20 are: 2, 3, 5, 7, 11, 13, 17 and 19. Note that a prime number has only two factors, 1 and itself and one. Number 1 is not considered to be a prime number because it has only one factor.


What is the largest prime number between 20 and 50?

47 is the largest prime number between 20 and 50.


What is the only prime number between 1 to 20 that can be written as a sum of 4 different prime numbers?

17


What number between 0 and 20 has 2 factors?

For a number to have [only] 2 factors, it must be a prime number; the prime numbers between 0 and 20 are; 2, 3, 5, 7, 11, 13, 17, 19


A prime number between 10 and 20 one more than a square number?

17The prime numbers between 10 and 20 are 11, 13, 17 and 19. There is only one square number between 10 and 20: 16. Using the criteria given, the number that fits is 17.


how many prime number lies between 20 to 40?

Only four:- 23,29,31 and 37.


What are the composite numbers between 20 and 25?

The composite numbers between 20 and 25 are 21, 22, and 24. 23 is the only prime number between 20 and 25.


What is a prime number between 19 and 20?

19 is prime.


How many prime numbers are there between zero and 20?

Remember 1 is not a prime number because it is only divisible by itself. 2, 3, 5, 7, 11, 13, 17, 19 These are the prime numbers between 0 and 20. In short, there are 9 prime numbers between 0 and 20.