The Greatest Common Divisor of two numbers is the largest number that will divide into both evenly. For example, although 27 and 81 are both divisible by 3, it wouldn't be the greatest common divisor, because 27 divides into 81 evenly as well: the greatest common divisor of 27 and 81 is 27.
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No.
The number nine is a composite number (3 x 3 = 9) and it is a square number (32 = 9). It is a divisor of any number that has digits having the sum of nine or a multiple of 9 (For example, the digits in 367,218 add up to 27, which is a multiple of 9, and the digits in 27 also add up to 9)
The Greatest Common Divisor of 54, 117 is 9.
9
27
18 and 27 is one example. There are many others.
an exact divisor of a number is one that leaves no remainder (a remainder of zero)--example: 27 divided by 3 is 9 but 27 divided bt 4 is 6 remainder 3 so 4 is not an exact divisor of 27 but 3 is
yes
81 has five divisors (also called factors): 1, 3, 9, 27, 81.
1, 2, 3, 6, 9, 18, 27, 54.
The divisors of 54 are: 1, 2, 3, 6, 9, 18, 27, 54.
The Greatest Common Divisor of two numbers is the largest number that will divide into both evenly. For example, although 27 and 81 are both divisible by 3, it wouldn't be the greatest common divisor, because 27 divides into 81 evenly as well: the greatest common divisor of 27 and 81 is 27.
The Greatest Common Divisor of 297, 891, 2187 is 27.
The greatest common divisor of 27 and 30 is 3.
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