Any and every factor can be multiplied by one, so there is no special name.
Zero. 5 is a prime so its only factors are 1 and 5. It, therefore, has no proper factors.
Since 59 is prime, the only factors are 1 and 59. Prime numbers don't have "proper" factors.
47 is a prime, so its only factors are 1 and 47. Prime numbers don't have "proper" factors.
Yes. 2, 4 and 8 are all factors of 64 and 2*4 = 8
No. Some proper factors are prime.
The proper factors of 220 are 2,4,5,10,11,20,22,44,55,110
The proper factors of 14 are 1, 2, and 7.
The factors of 97 are 1 and 97. Prime numbers don't have "proper" factors.
"Proper factors" are all of a number's factors except one and the number itself.
5 is a prime number so it doesn't have proper factors
1, 5, 7, and 35 are the factors of 35. The proper factors are 5 and 7.
All numbers are factors (of their multiples).