8 & 16
91 and 2
-92
-45
301 is a prime number. Therefore only two numbers multiplied together to give 301 is itself and 1.
Two consecutive two digit numbers that when multiplied give the product of 812 are 28 and 29.
59
16 and 15
8 and 9
-4 and -4
8 & 16
91 and 2
155
11 and -1 but there is an infinite number of numbers that work.
-3
258
9 and negative 24