There are 4 positive and 4 negative numbers that go into 15.
They are: 1,3,5,15,-1,-3,-5, and -15.
The only number that can go into both numbers is 5
The numbers that go into both 12 and 15 are their common factors. The factors of 12 are 1, 2, 3, 4, 6, and 12, while the factors of 15 are 1, 3, 5, and 15. The common factors between the two sets are 1 and 3. Therefore, the numbers that go into both 12 and 15 are 1 and 3.
5
3 will go into both of these numbers
1 and 3 go into both.
1 and 7 will go into both the two given numbers
15, 25 and 75
These numbers: 1, 3, 5, 7, 15, 21, 35, 105.
3 and 5 both go into multiples of 15, as both numbers are factors of 15. In mathematical terms, 15 is a multiple of both 3 and 5 because it can be evenly divided by both numbers without leaving a remainder.
1 and 2.
105, 210 and 315
1 and 3 will go into both numbers evenly