6 is a divisor of 18 because when you divide 18 by 6, the result is a whole number without any remainder. In other words, 18 divided by 6 equals 3. This means that 6 can be multiplied by 3 to get 18, which shows that 6 is a factor of 18.
Mathematically, this can be expressed as:
18 รท 6 = 3
Since the division results in a whole number, 6 is considered a divisor of 18. Divisors are numbers that can divide another number completely, leaving no remainder.