What is the Greatest Common Factor of 76638 and 76646?

Greatest common factor (GCF) of 76638 and 76646 is 2.

GCF(76638,76646) = 2

We will now calculate the prime factors of 76638 and 76646, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 76638 and 76646.

How to find the GCF of 76638 and 76646?

We will first find the prime factorization of 76638 and 76646. After we will calculate the factors of 76638 and 76646 and find the biggest common factor number .

Step-1: Prime Factorization of 76638

Prime factors of 76638 are 2, 3, 53, 241. Prime factorization of 76638 in exponential form is:

76638 = 2¹ × 3¹ × 53¹ × 241¹

Step-2: Prime Factorization of 76646

Prime factors of 76646 are 2, 19, 2017. Prime factorization of 76646 in exponential form is:

76646 = 2¹ × 19¹ × 2017¹

Step-3: Factors of 76638

List of positive integer factors of 76638 that divides 76638 without a remainder.

1, 2, 3, 6, 53, 106, 159, 241, 318, 482, 723, 1446, 12773, 25546, 38319

Step-4: Factors of 76646

List of positive integer factors of 76646 that divides 76638 without a remainder.

1, 2, 19, 38, 2017, 4034, 38323

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 76638 and 76646. The biggest common factor number is the GCF number.
So the greatest common factor 76638 and 76646 is 2.

Also check out the Least Common Multiple of 76638 and 76646