There is only one and it is 61 and so 61+0 = 61
The sum of all prime numbers between 60 and 75 is 272
311
128
351
They are: 31+37+41+43+47+53+59 = 311The sum of all prime numbers between 30 and 60 is 311.
112......... 53+59 are the only prime numbers between 50 and 60 ! cheers ....
The sum of the prime numbers is: 31+37+41+43+47+53+59 = 311
272
158 is the sum of the greatest and smallest prime numbers between 60 and 97.
No. Some prime numbers are far above 60.
47 + 3 = 50, 43 + 7 = 50, 37 + 13 = 50, and 31 + 19 = 50. 4 pairs of prime numbers have a sum of 50. 53 + 7 = 60, 47 + 13 = 60, 43 + 17 = 60, 41 + 19 = 60, 37 + 23 = 60, and 31 + 29 = 60. 6 pairs of prime numbers have a sum of 60.
61 + 67 + 71 + 73 + 79 = 351