No.
They are: 83 89 and 97
The numbers 83, 89 and 97 are prime.
48 + 49 = 97
Yes.
The numbers are 81, 82, 83, 84 and 85.
83, 84 and 85 if you add them.
48 + 49 = 97
The numbers are 48 and 49.
There are none. The only two consecutive numbers totaling -195 are -98 and -97.
97, 98
97 and 98
The numbers 83, 89 and 97 are prime.