3 and 9
Nothing can go evenly into 21 or 17. They are both odd numbers and therefore cannot be evenly divided.
none
The prime factorization of 56 is 2, 2, 2, and 7, so there there are two prime numbers, 2 and 7, that can evenly go into 56.
These numbers go into 634 evenly: 1, 2, 317, 634.
2 and 3, for a start.
Not evenly. 125 is an odd number and 2 can only go into even numbers evenly.
Nothing can go evenly into 21 or 17. They are both odd numbers and therefore cannot be evenly divided.
none
2
The prime factorization of 56 is 2, 2, 2, and 7, so there there are two prime numbers, 2 and 7, that can evenly go into 56.
These numbers go into 634 evenly: 1, 2, 317, 634.
The numbers that go into 30 are1, 2, 3, 5, 30, 15, 10, 6
2 and 3, for a start.
The numbers are 1, 2, 4.
These whole numbers go evenly into 64: 1, 2, 4, 8, 16, 32, 64.
12 would go into 24 evenly because 12×2=24.
2 & 103