The number is 23.
It can have up to 5 digits.
98
752
-2
The number is 23.
It can have up to 5 digits.
98
752
-2
9210
2
Six.
descending order
The answer is 1. The smallest prime is 2 and the greatest prime (of however many digits) must be odd. The remainder of ANY odd number when divided by 2 must be 1.
7642
3333