2 is a Prime number so only 1 and itself can go into it or in this case 1 and 2. But 12 isn't a prime number it's composite which means it can go into 1 and itself and other numbers. 3x4=12, 1x12=12, and, 6x2=12 are numbers that can go into 12.
There are 2 numbers that go into both 10 and 12. They are 1 and 2.
2..
1 and 2.
1, 2, 3, 4, 6, 12.
Any number at all can go into 12.But if you want the number to go into 12 evenly, without a fractionor a remainder, then the only possibilities are:1, -1, 2, -2, 3, -3, 4, -4, 6, -6, 12, and -12.
they all go into 24
2 is a common factor
12
12
1, 2, 3, 4, 6, 12.
1 2 3 4 6 12.
2 8/2 = 4 10/2 = 5 12/2 = 6