What is the Greatest Common Factor of 66915 and 66931?

Greatest common factor (GCF) of 66915 and 66931 is 1.

GCF(66915,66931) = 1

We will now calculate the prime factors of 66915 and 66931, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66915 and 66931.

How to find the GCF of 66915 and 66931?

We will first find the prime factorization of 66915 and 66931. After we will calculate the factors of 66915 and 66931 and find the biggest common factor number .

Step-1: Prime Factorization of 66915

Prime factors of 66915 are 3, 5, 1487. Prime factorization of 66915 in exponential form is:

66915 = 3² × 5¹ × 1487¹

Step-2: Prime Factorization of 66931

Prime factors of 66931 are 66931. Prime factorization of 66931 in exponential form is:

66931 = 66931¹

Step-3: Factors of 66915

List of positive integer factors of 66915 that divides 66915 without a remainder.

1, 3, 5, 9, 15, 45, 1487, 4461, 7435, 13383, 22305

Step-4: Factors of 66931

List of positive integer factors of 66931 that divides 66915 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66915 and 66931. The biggest common factor number is the GCF number.
So the greatest common factor 66915 and 66931 is 1.

Also check out the Least Common Multiple of 66915 and 66931