83
16.6
16.6
88
83
83. It doesn't end in a 0 or 5 so it can not be divided by 5. When you add up the digits they equal 11 which means it can not be divided by 3. Lastly, it does not end in an even number so it can not be divided by a 2. (247 is not prime because it can be divided by 13.)
16.6
83.5556
2/83 (2 OVER 83)
83
16.6
10043 10043 divided by 121 is 83