What is the Greatest Common Factor of 66728 and 66732?

Greatest common factor (GCF) of 66728 and 66732 is 4.

GCF(66728,66732) = 4

We will now calculate the prime factors of 66728 and 66732, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 66728 and 66732.

How to find the GCF of 66728 and 66732?

We will first find the prime factorization of 66728 and 66732. After we will calculate the factors of 66728 and 66732 and find the biggest common factor number .

Step-1: Prime Factorization of 66728

Prime factors of 66728 are 2, 19, 439. Prime factorization of 66728 in exponential form is:

66728 = 2³ × 19¹ × 439¹

Step-2: Prime Factorization of 66732

Prime factors of 66732 are 2, 3, 67, 83. Prime factorization of 66732 in exponential form is:

66732 = 2² × 3¹ × 67¹ × 83¹

Step-3: Factors of 66728

List of positive integer factors of 66728 that divides 66728 without a remainder.

1, 2, 4, 8, 19, 38, 76, 152, 439, 878, 1756, 3512, 8341, 16682, 33364

Step-4: Factors of 66732

List of positive integer factors of 66732 that divides 66728 without a remainder.

1, 2, 3, 4, 6, 12, 67, 83, 134, 166, 201, 249, 268, 332, 402, 498, 804, 996, 5561, 11122, 16683, 22244, 33366

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 66728 and 66732. The biggest common factor number is the GCF number.
So the greatest common factor 66728 and 66732 is 4.

Also check out the Least Common Multiple of 66728 and 66732