The number is 72.
1, 2, 4, 8.
72.
2. As this is the highest number that goes into both of them :]
8 9*8 = 72 10*8 = 80
It is 80, the middle number when they are arranged in order.
72
The number is 72.
It is: 1
The number is 1.
Once with 20 remaining. The next number 36 goes into is 72 then 108 and so on. 56/36 = 1.55555
Only the number one.
It is: 1
The GCF is 8.
The HCF of 27 and 80 is 1
70, 72, 74, 75, 76, 77, 78, 80
1