Yes, all number with have the factor 1 and itself.
no
Yes. Not counting one as a factor, you could have numbers like 6 and 10 which only share one common factor, 2.
Squares (or cubes or more) of prime numbers have one distinct prime factor, but if you're counting them individually, all composite numbers have at least two prime factors.
One is a factor of all nonzero numbers.
All whole numbers yes
All numbers, starting at one, and counting up. E.g. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 are the first 10 counting numbers.
one
One.
One.
One is.
Yes. One is a factor of all numbers.
All whole numbers except for -1, 0 and 1 have at least one prime factor.