The 3 largest 2 digit prime numbers are 83, 89, and 97. The sum is 269
995
23
It is: 79+83+89+97 = 348
101117
The 3 largest 2 digit prime numbers are 83, 89, and 97. The sum is 269
995
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