Zero doesn't have any proper factors.
Every number is a factor of 0. However, 0 has no proper factors since no two numbers that are non-zero can multiply to give 0.
In the context of primes and factoriation, every counting number is a factor.
No. Some proper factors are prime.
One has no proper factors.
1 doesn't have proper factors.
No, no prime number has proper factors.
Proper factors do not include one and the number itself.
Prime numbers don't have proper factors.
The proper factors of 26 are 2 and 13
Prime numbers don't have proper factors.
Prime numbers don't have proper factors.
The proper factors of 22 are 2 and 11.