What can go into 21 and 39?

Answer 1

Oh, dude, that's an easy one. So, what can go into 21 and 39? Well, technically, the numbers that can go into both 21 and 39 are 1 and 3. Like, it's not rocket science, but hey, math can be a little sneaky sometimes.

Answer 2

Well, honey, let me break it down for you. The numbers 1 and 3 can go into both 21 and 39. So, technically speaking, those are the common factors of 21 and 39. But hey, who's counting? Oh right, we are.

Answer 3

The numbers that can go into both 21 and 39 are 1 and 3. This is because both 21 and 39 are divisible by 1 (as all numbers are) and by 3. However, 21 is not divisible by 39, as 39 is greater than 21.

Answer 4

3