1, 2, 4
428 ÷ 4 = 732 ÷ 4 = 8 (no remainder)
2 goes evenly into 4 and 28
No but it goes into 36 evenly. 18x2=36 not 32
1
It is: 1
One.
28. If you divide 28 into 1,400 you get 1|50. 28 goes into 28 once.
Any of its factors
1 and 2.
Only the number one.
1 2 4 7 14 28