What is the Greatest Common Factor of 66480 and 66491?

Greatest common factor (GCF) of 66480 and 66491 is 1.

GCF(66480,66491) = 1

We will now calculate the prime factors of 66480 and 66491, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66480 and 66491.

How to find the GCF of 66480 and 66491?

We will first find the prime factorization of 66480 and 66491. After we will calculate the factors of 66480 and 66491 and find the biggest common factor number .

Step-1: Prime Factorization of 66480

Prime factors of 66480 are 2, 3, 5, 277. Prime factorization of 66480 in exponential form is:

66480 = 2⁴ × 3¹ × 5¹ × 277¹

Step-2: Prime Factorization of 66491

Prime factors of 66491 are 66491. Prime factorization of 66491 in exponential form is:

66491 = 66491¹

Step-3: Factors of 66480

List of positive integer factors of 66480 that divides 66480 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 277, 554, 831, 1108, 1385, 1662, 2216, 2770, 3324, 4155, 4432, 5540, 6648, 8310, 11080, 13296, 16620, 22160, 33240

Step-4: Factors of 66491

List of positive integer factors of 66491 that divides 66480 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66480 and 66491. The biggest common factor number is the GCF number.
So the greatest common factor 66480 and 66491 is 1.

Also check out the Least Common Multiple of 66480 and 66491