What is the Greatest Common Factor of 3609 and 3618?

Greatest common factor (GCF) of 3609 and 3618 is 9.

GCF(3609,3618) = 9

We will now calculate the prime factors of 3609 and 3618, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3609 and 3618.

How to find the GCF of 3609 and 3618?

We will first find the prime factorization of 3609 and 3618. After we will calculate the factors of 3609 and 3618 and find the biggest common factor number .

Step-1: Prime Factorization of 3609

Prime factors of 3609 are 3, 401. Prime factorization of 3609 in exponential form is:

3609 = 3² × 401¹

Step-2: Prime Factorization of 3618

Prime factors of 3618 are 2, 3, 67. Prime factorization of 3618 in exponential form is:

3618 = 2¹ × 3³ × 67¹

Step-3: Factors of 3609

List of positive integer factors of 3609 that divides 3609 without a remainder.

1, 3, 9, 401, 1203

Step-4: Factors of 3618

List of positive integer factors of 3618 that divides 3609 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3609 and 3618. The biggest common factor number is the GCF number.
So the greatest common factor 3609 and 3618 is 9.

Also check out the Least Common Multiple of 3609 and 3618