4 (or eight if you count transposed arrays as being different).
3 or 7 - depending on whether you count a transposed array as different. 1*64 2*32 4*16 8*8
identify two composite numbers that each have 8 as a factor
1*422*21 3*146*7
How about: 1*7 = 7 which is a prime number
Number 7 Number 7
30
one
depends on how many people are locked up 7 or 8 numbers
time 8/7
Which number replaces the box to make this a true number sentence? 6 × (7 - 3) = (6 × 7) - ( × 3)
43