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To find the sum of prime numbers between 70 and 90, we first identify the prime numbers within this range: 71, 73, 79, 83, and 89. Adding these prime numbers together, we get 71 + 73 + 79 + 83 + 89 = 395. Therefore, the sum of prime numbers between 70 and 90 is 395.
To find the sum of prime numbers between 40 and 70, we first identify the prime numbers within this range: 41, 43, 47, 53, 59, 61, 67. Adding these prime numbers together, we get 41 + 43 + 47 + 53 + 59 + 61 + 67 = 371. Therefore, the sum of the prime numbers between 40 and 70 is 371.
The prime numbers between 55 and 70 are: 59, 61 and 67
There are two prime numbers between 60 and 70.
61 and 67 are the two prime numbers between 60 and 70.
71 + 73 + 79 + 83 + 89 + 97 = 492