8 & 16
91 and 2
-92
-45
44
Two consecutive two digit numbers that when multiplied give the product of 812 are 28 and 29.
59
16 and 15
-4 and -4
8 & 16
8 and 9
91 and 2
11 and -1 but there is an infinite number of numbers that work.
-3
258
9 and negative 24
-92