What is the Greatest Common Factor of 77610 and 77618?

Greatest common factor (GCF) of 77610 and 77618 is 2.

GCF(77610,77618) = 2

We will now calculate the prime factors of 77610 and 77618, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77610 and 77618.

How to find the GCF of 77610 and 77618?

We will first find the prime factorization of 77610 and 77618. After we will calculate the factors of 77610 and 77618 and find the biggest common factor number .

Step-1: Prime Factorization of 77610

Prime factors of 77610 are 2, 3, 5, 13, 199. Prime factorization of 77610 in exponential form is:

77610 = 2¹ × 3¹ × 5¹ × 13¹ × 199¹

Step-2: Prime Factorization of 77618

Prime factors of 77618 are 2, 197. Prime factorization of 77618 in exponential form is:

77618 = 2¹ × 197²

Step-3: Factors of 77610

List of positive integer factors of 77610 that divides 77610 without a remainder.

1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 199, 390, 398, 597, 995, 1194, 1990, 2587, 2985, 5174, 5970, 7761, 12935, 15522, 25870, 38805

Step-4: Factors of 77618

List of positive integer factors of 77618 that divides 77610 without a remainder.

1, 2, 197, 394, 38809

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77610 and 77618. The biggest common factor number is the GCF number.
So the greatest common factor 77610 and 77618 is 2.

Also check out the Least Common Multiple of 77610 and 77618