The numbers that go into 21 evenly are 1, 3, 7, 21.
21
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.
1 and 2.
It is a pattern. Go up two numbers, go down two numbers.
The numbers that go into 42 are1, 2, 3, 6, 42, 21, 14,
2 and 21, and 6 and 7
Nothing can go evenly into 21 or 17. They are both odd numbers and therefore cannot be evenly divided.
42 - 10, D16
There are more numbers that can go into 105 than just 2 numbers. 1,3,5,7,15,21,35,105 1=105 3=35 5=21 7=15
1, 3, 7 and 21. Four numbers.
20: 1, 2, 5, 10, 20 21: 1, 3, 7, 21
1, 2, 3, 6, 7, 14, 21, 42.
The numbers that go into 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, and 84
21
1 ,3 ,7 ,21
1, 3, 7, 21.