1 x 81, 3 x 27, 9 x 9.
-9 and -9 multiply to get 81. ■
245
81 and 9 if you add them. 4 and 25 if you multiply them.
9 x 9 = 81 :(
1 and 81 Those two numbers certainly divide into 81 though they are not the only numbers to do so.
245
-9 and -9 multiply to get 81. ■
There are no two real numbers that will add to -9 and multiply to 81. Using complex numbers, the two numbers are: (-9/2 + i9/2√3) and (-9/2 - i9/2√3)
81 and 9 if you add them. 4 and 25 if you multiply them.
9 x 9 = 81 :(
3 & 27
1 x 243, 3 x 81, 9 x 27.
1 and 81 Those two numbers certainly divide into 81 though they are not the only numbers to do so.
They are: 2 times 81 = 162
162
When you multiply two numbers, you get the product
Factors are numbers you can multiply together to get another number. 81: 1, 3, 9, 27, 81