2 is the only number is that both a factor of 2 and a multiple of 2.
6 is a factor of 30 and a multiple of 2.
The only prime factor of 4 is 2. No prime number is a multiple of 5.
Because 2 is a factor of 4. If a number is a multiple of four, when you add that it is a multiple of 2 there is no extra information, no additional factor.
3.
2 is the only number is that both a factor of 2 and a multiple of 2.
6 is a factor of 30 and a multiple of 2.
2 is a factor of 14 but not a multiple of 7.
2 is a factor of 18 and is not a multiple of 3.
2
The only prime factor of 4 is 2. No prime number is a multiple of 5.
11
Because 2 is a factor of 4. If a number is a multiple of four, when you add that it is a multiple of 2 there is no extra information, no additional factor.
6
10 is a factor of 20 (10 * 2 = 20) and is a multiple of five (5 * 2 = 10).
A factor is what goes into a number, a multiple is what a number goes into. 3 is a factor of 9 27 is a multiple of 9.
None of them.