What is the Greatest Common Factor of 66820 and 66824?

Greatest common factor (GCF) of 66820 and 66824 is 4.

GCF(66820,66824) = 4

We will now calculate the prime factors of 66820 and 66824, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66820 and 66824.

How to find the GCF of 66820 and 66824?

We will first find the prime factorization of 66820 and 66824. After we will calculate the factors of 66820 and 66824 and find the biggest common factor number .

Step-1: Prime Factorization of 66820

Prime factors of 66820 are 2, 5, 13, 257. Prime factorization of 66820 in exponential form is:

66820 = 2² × 5¹ × 13¹ × 257¹

Step-2: Prime Factorization of 66824

Prime factors of 66824 are 2, 8353. Prime factorization of 66824 in exponential form is:

66824 = 2³ × 8353¹

Step-3: Factors of 66820

List of positive integer factors of 66820 that divides 66820 without a remainder.

1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 1028, 1285, 2570, 3341, 5140, 6682, 13364, 16705, 33410

Step-4: Factors of 66824

List of positive integer factors of 66824 that divides 66820 without a remainder.

1, 2, 4, 8, 8353, 16706, 33412

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66820 and 66824. The biggest common factor number is the GCF number.
So the greatest common factor 66820 and 66824 is 4.

Also check out the Least Common Multiple of 66820 and 66824