Only the number one.
These whole numbers go evenly into 64: 1, 2, 4, 8, 16, 32, 64.
These are the whole numbers that go into 27 evenly: 1, 3, 9, 27.
Only 1.
1, 3, 9, 27.
2
1, 2, 4.
Factors of 27.... 1, 3, 9 & 27
2, 4, and 8 will evenly divide into both.
1, 2, 4 and 8 will go into both numbers evenly with no remainders
The only common factor of 14 and 27 (number that cango into both of them evenly) is ' 1 '.
1, 2, 4, 8, 16, 32, 64, 128, 256.
729 = 3x3x3x3x3x3 so 3, 9, 27, 81, and 243 will all divide into 729 evenly.