The number 1.
Only the number 1.
Just 1
1
The only whole number that goes into 3 and 64 is 1.
2, 4, 8 and 16 go into 16 and 64.
1, 2, 4.
Just the number 1.
64, 128, 192, 256, 320, 384, 448 +64 . . .
The numbers 1, 2, 4, 8 all go into 56 and 64
220 goes into 64 zero times, since it is the larger number. 64 can go into 220 exactly 3.4375 times (3 remainder 28).
Only the number one.