What is the Greatest Common Factor of 72646 and 72666?

Greatest common factor (GCF) of 72646 and 72666 is 2.

GCF(72646,72666) = 2

We will now calculate the prime factors of 72646 and 72666, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72646 and 72666.

How to find the GCF of 72646 and 72666?

We will first find the prime factorization of 72646 and 72666. After we will calculate the factors of 72646 and 72666 and find the biggest common factor number .

Step-1: Prime Factorization of 72646

Prime factors of 72646 are 2, 7, 5189. Prime factorization of 72646 in exponential form is:

72646 = 2¹ × 7¹ × 5189¹

Step-2: Prime Factorization of 72666

Prime factors of 72666 are 2, 3, 11, 367. Prime factorization of 72666 in exponential form is:

72666 = 2¹ × 3² × 11¹ × 367¹

Step-3: Factors of 72646

List of positive integer factors of 72646 that divides 72646 without a remainder.

1, 2, 7, 14, 5189, 10378, 36323

Step-4: Factors of 72666

List of positive integer factors of 72666 that divides 72646 without a remainder.

1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 367, 734, 1101, 2202, 3303, 4037, 6606, 8074, 12111, 24222, 36333

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72646 and 72666. The biggest common factor number is the GCF number.
So the greatest common factor 72646 and 72666 is 2.

Also check out the Least Common Multiple of 72646 and 72666