What is the Greatest Common Factor of 77618 and 77628?

Greatest common factor (GCF) of 77618 and 77628 is 2.

GCF(77618,77628) = 2

We will now calculate the prime factors of 77618 and 77628, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77618 and 77628.

How to find the GCF of 77618 and 77628?

We will first find the prime factorization of 77618 and 77628. After we will calculate the factors of 77618 and 77628 and find the biggest common factor number .

Step-1: Prime Factorization of 77618

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

77618 = 2¹ × 197²

Step-2: Prime Factorization of 77628

Prime factors of 77628 are 2, 3, 6469. Prime factorization of 77628 in exponential form is:

77628 = 2² × 3¹ × 6469¹

Step-3: Factors of 77618

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

1, 2, 197, 394, 38809

Step-4: Factors of 77628

List of positive integer factors of 77628 that divides 77618 without a remainder.

1, 2, 3, 4, 6, 12, 6469, 12938, 19407, 25876, 38814

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77618 and 77628. The biggest common factor number is the GCF number.
So the greatest common factor 77618 and 77628 is 2.

Also check out the Least Common Multiple of 77618 and 77628