What is the Greatest Common Factor of 66628 and 66646?

Greatest common factor (GCF) of 66628 and 66646 is 2.

GCF(66628,66646) = 2

We will now calculate the prime factors of 66628 and 66646, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66628 and 66646.

How to find the GCF of 66628 and 66646?

We will first find the prime factorization of 66628 and 66646. After we will calculate the factors of 66628 and 66646 and find the biggest common factor number .

Step-1: Prime Factorization of 66628

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

66628 = 2² × 16657¹

Step-2: Prime Factorization of 66646

Prime factors of 66646 are 2, 47, 709. Prime factorization of 66646 in exponential form is:

66646 = 2¹ × 47¹ × 709¹

Step-3: Factors of 66628

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

1, 2, 4, 16657, 33314

Step-4: Factors of 66646

List of positive integer factors of 66646 that divides 66628 without a remainder.

1, 2, 47, 94, 709, 1418, 33323

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66628 and 66646. The biggest common factor number is the GCF number.
So the greatest common factor 66628 and 66646 is 2.

Also check out the Least Common Multiple of 66628 and 66646