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.