What is the Greatest Common Factor of 66160 and 66180?

Greatest common factor (GCF) of 66160 and 66180 is 20.

GCF(66160,66180) = 20

We will now calculate the prime factors of 66160 and 66180, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66160 and 66180.

How to find the GCF of 66160 and 66180?

We will first find the prime factorization of 66160 and 66180. After we will calculate the factors of 66160 and 66180 and find the biggest common factor number .

Step-1: Prime Factorization of 66160

Prime factors of 66160 are 2, 5, 827. Prime factorization of 66160 in exponential form is:

66160 = 2⁴ × 5¹ × 827¹

Step-2: Prime Factorization of 66180

Prime factors of 66180 are 2, 3, 5, 1103. Prime factorization of 66180 in exponential form is:

66180 = 2² × 3¹ × 5¹ × 1103¹

Step-3: Factors of 66160

List of positive integer factors of 66160 that divides 66160 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 827, 1654, 3308, 4135, 6616, 8270, 13232, 16540, 33080

Step-4: Factors of 66180

List of positive integer factors of 66180 that divides 66160 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1103, 2206, 3309, 4412, 5515, 6618, 11030, 13236, 16545, 22060, 33090

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66160 and 66180. The biggest common factor number is the GCF number.
So the greatest common factor 66160 and 66180 is 20.

Also check out the Least Common Multiple of 66160 and 66180