2 x 2 x 2 x 8
2 x 2 x 4 x 4
128
1, 8, 27, 64, ...
A proportion refers to a relationship between two numbers, not four.
There are no two prime numbers that multiply to 24. You need four numbers (even though one appears 3 times).
1 and 8, 2 and 4. both sets of numbers multiply to 8.
The answer is 8
192
8
The factors of 64 are 1, 2, 4, 8, 16, 32, and 64 .
4*4*2*2
How about: 8*4*2 = 64
128
-356
64
64
-8 and -8
8 and 8 or 4 and 16 or 2 and 32