Question 627432
Your number looks like  aba for some non-negative integers a and b (where both are between 0 and 9)


"The product is 8" means a^2b = 8


The factors of 8 are 1, 2, 4, 8


So a^2 and b could be any of the factors listed above. However, a^2 is limited to 1 and 4 since these are perfect squares.


So a^2 = 1 ---> a = 1 and a^2 = 4 ---> a = 2


If a = 1, then b = 8


If a = 2, then b = 2



So the number is either 181 or 222


If the outer digits must be different from the inner digit, then we toss 222 to get the answer of 181.