What is the Greatest Common Factor of 66764 and 66768?

Greatest common factor (GCF) of 66764 and 66768 is 4.

GCF(66764,66768) = 4

We will now calculate the prime factors of 66764 and 66768, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66764 and 66768.

How to find the GCF of 66764 and 66768?

We will first find the prime factorization of 66764 and 66768. After we will calculate the factors of 66764 and 66768 and find the biggest common factor number .

Step-1: Prime Factorization of 66764

Prime factors of 66764 are 2, 16691. Prime factorization of 66764 in exponential form is:

66764 = 2² × 16691¹

Step-2: Prime Factorization of 66768

Prime factors of 66768 are 2, 3, 13, 107. Prime factorization of 66768 in exponential form is:

66768 = 2⁴ × 3¹ × 13¹ × 107¹

Step-3: Factors of 66764

List of positive integer factors of 66764 that divides 66764 without a remainder.

1, 2, 4, 16691, 33382

Step-4: Factors of 66768

List of positive integer factors of 66768 that divides 66764 without a remainder.

1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 107, 156, 208, 214, 312, 321, 428, 624, 642, 856, 1284, 1391, 1712, 2568, 2782, 4173, 5136, 5564, 8346, 11128, 16692, 22256, 33384

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66764 and 66768. The biggest common factor number is the GCF number.
So the greatest common factor 66764 and 66768 is 4.

Also check out the Least Common Multiple of 66764 and 66768