if a numbers last digit is a 0 or a 5, then 5 can go into it evenly. so, yes.
No. You can tell this by looking at the last number 5 goes evenly into numbers ending in 0 and 5. Five does not go evenly into 7.
5
1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180.
Both 5 and 7 are prime numbers, so the only number that could go into both evenly would be 1.
The numbers 1,2,3,5,6,10,15,and 30 go into 30 evenly.
These numbers go evenly into 415: 1, 5, 83, 415.
The numbers that go into 30 are1, 2, 3, 5, 30, 15, 10, 6
There are four numbers that go into 55 evenly: 1, 5, 11, and 55.
1,2,3,4,6,9,13,18,26,54.
5
1 and 5