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
Both 5 and 7 are prime numbers, so the only number that could go into both evenly would be 1.
1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180.
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