The GCF is 8.
1, 2, 4, 8.
The number is 1.
2. As this is the highest number that goes into both of them :]
72.
72 / 16 x 100 = 450
Well, darling, 56 goes into 72 just once. That's it, no more, no less. Simple math, no need to complicate things.
4.5
4 with remainder 8.
It is: 1
The number is 1.
Only the number one.
It is: 1
The GCF is 8.
The number that goes into both 12 and 72 equally is 12. This is because 72 divided by 12 equals 6, so 12 is a common divisor of both numbers.
2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71 that's as far up as it goes because 72 is a composite number not a prime number!
The HCF is 4