What is the Greatest Common Factor of 66615 and 66628?

Greatest common factor (GCF) of 66615 and 66628 is 1.

GCF(66615,66628) = 1

We will now calculate the prime factors of 66615 and 66628, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66615 and 66628.

How to find the GCF of 66615 and 66628?

We will first find the prime factorization of 66615 and 66628. After we will calculate the factors of 66615 and 66628 and find the biggest common factor number .

Step-1: Prime Factorization of 66615

Prime factors of 66615 are 3, 5, 4441. Prime factorization of 66615 in exponential form is:

66615 = 3¹ × 5¹ × 4441¹

Step-2: Prime Factorization of 66628

Prime factors of 66628 are 2, 16657. Prime factorization of 66628 in exponential form is:

66628 = 2² × 16657¹

Step-3: Factors of 66615

List of positive integer factors of 66615 that divides 66615 without a remainder.

1, 3, 5, 15, 4441, 13323, 22205

Step-4: Factors of 66628

List of positive integer factors of 66628 that divides 66615 without a remainder.

1, 2, 4, 16657, 33314

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66615 and 66628. The biggest common factor number is the GCF number.
So the greatest common factor 66615 and 66628 is 1.

Also check out the Least Common Multiple of 66615 and 66628