What is the Greatest Common Factor of 66540 and 66544?

Greatest common factor (GCF) of 66540 and 66544 is 4.

GCF(66540,66544) = 4

We will now calculate the prime factors of 66540 and 66544, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66540 and 66544.

How to find the GCF of 66540 and 66544?

We will first find the prime factorization of 66540 and 66544. After we will calculate the factors of 66540 and 66544 and find the biggest common factor number .

Step-1: Prime Factorization of 66540

Prime factors of 66540 are 2, 3, 5, 1109. Prime factorization of 66540 in exponential form is:

66540 = 2² × 3¹ × 5¹ × 1109¹

Step-2: Prime Factorization of 66544

Prime factors of 66544 are 2, 4159. Prime factorization of 66544 in exponential form is:

66544 = 2⁴ × 4159¹

Step-3: Factors of 66540

List of positive integer factors of 66540 that divides 66540 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1109, 2218, 3327, 4436, 5545, 6654, 11090, 13308, 16635, 22180, 33270

Step-4: Factors of 66544

List of positive integer factors of 66544 that divides 66540 without a remainder.

1, 2, 4, 8, 16, 4159, 8318, 16636, 33272

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66540 and 66544. The biggest common factor number is the GCF number.
So the greatest common factor 66540 and 66544 is 4.

Also check out the Least Common Multiple of 66540 and 66544