21
multiples of 63
1, 3, 7, 9, 21 and 63.
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
The numbers that go into 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, and 84
1, 3, 7 and 21. Four numbers.
21
1, 3, 7, 21.
1, 3, 7, 21.
1, 3, 7, 21.
1, 3, 7 and 21
21
Nothing can go evenly into 21 or 17. They are both odd numbers and therefore cannot be evenly divided.
multiples of 63
They are: 3 and 7
1 and 7.
The numbers that go into 42 are1, 2, 3, 6, 42, 21, 14,