23,29,31,37,41,and 47
11,13,17,19
2,3,5,7,11,13,17,19
Not all numbers between 20 and 28 are composite numbers. 23 is a prime number.
11,13,17 and 19
23 and 29
The prime numbers between 4 and 20 are 5, 7, 11, 13, 17 and 19. Their sum is 72.
The prime numbers between 20 and 30 are 23 and 29.
All of them except 23 and 29 which are prime numbers
All of them except for 23 and 29 which are prime numbers.
To find the sum of all prime numbers between 20 and 40, we first list out the prime numbers in that range: 23, 29, 31, 37. Then, we simply add them together: 23 + 29 + 31 + 37 = 120. Therefore, the sum of all prime numbers between 20 and 40 is 120.
23 29.
23 and 29