Question 161114
Determine whether the folowing interger is prime or a composite by dividing by prime numbers. If the integer is composite, find at least 2 pairs of factors whose product is the integer. 
823 
-----------------
If you divide it by all prime numbers from 2 to 29, you'll see if it's evenly divisible by any of them.
Try 2, 3, 7, 11, 13, 17, 19, 23, and 29.  That's only 9 to try.