The prime numbers between 1 and 20 are: 2 3 5 7 11 13 17 19.
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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.
The prime numbers between 10 and 20 are 11, 13, 17, and 19.
The numbers 23 and 29 are the only prime numbers between 20 and 30
The three prime numbers between 20 and 35 are 23, 29, and 31.
The prime numbers between 10 and 20 are 11, 13, 17, and 19.