The number 1 or a factor.
The number is 2.
30 (and all its multiples!)
1 because 7 is a prime number
A number that divides into a whole number evenly is called a "factor" of that number.
It's a factor of the whole number that it divides into with no remainder.
smallest prime number that divides 300 exactly = 2
Two number are co-prime if there is no whole number other than 1 that divides them both exactly
It is called a factor
Yes, by definition a factor divides a number exactly
is a 'factor' of the second number.