995
They are: 89+97 = 186
23
It is: 79+83+89+97 = 348
101117
995
They are: 89+97 = 186
23
It is: 79+83+89+97 = 348
101117
269
99 + 9 = 108
300
198.
The smallest 5 digit integer is -99999. The largest 5 digit integer is 99999. The sum is therefore 0.
109999. (10000 + 99999)
105